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Best Gastroenterologists in Portland

Written by Andrew Le, MD

Updated November 22, 2024

Introduction to Gastroenterology in Portland

Overview of Gastroenterology as a Medical Specialty

Gastroenterology is a branch of medicine focused on the digestive system and its disorders.

This specialty deals with conditions affecting the esophagus, stomach, small intestine, colon, liver, pancreas, and gallbladder.

Gastroenterologists diagnose and treat a wide range of conditions, including but not limited to: inflammatory bowel disease, gastroesophageal reflux disease (GERD), celiac disease, and colorectal cancer.

Importance of Gastroenterology in Healthcare

Gastrointestinal health plays a significant role in overall well-being and quality of life.

Gastroenterologists are essential in preventive care, particularly in colorectal cancer screening through procedures such as colonoscopies.

Early detection and treatment of gastrointestinal disorders can prevent complications and improve patient outcomes.

Gastroenterology in Portland's Healthcare Landscape

Portland boasts a robust gastroenterology presence with numerous highly-rated specialists and practices.

Major healthcare institutions in Portland, such as OHSU Hospital-Marquam Hill Campus, Providence Portland Medical Center, and Legacy Good Samaritan Medical Center, offer comprehensive gastroenterology services.

The city's healthcare system provides access to advanced diagnostic and treatment options in gastroenterology.


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List of Gastroenterologists in Portland

VT

Dr. Vassiliki Tsikitis

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-1424

American Board of Colon & Rectal Surgery

American Board of Surgery

Temple University Lewis Katz School of Medicine (Medical School, 2000)

English

Legacy Salmon Creek Medical Center

OHSU Hospital-Marquam Hill Campus

General Surgery

Colorectal Surgery

DH

Dr. Daniel Herzig

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8372

American Board of Colon & Rectal Surgery

American Board of Surgery

University Texas/Health Science Center at Houston (Fellowship Hospital, 2004)

Brown Univ/Rhode Island Hospital (Internship Hospital, 2000)

Vanderbilt University School of Medicine (Medical School, 1999)

Vanderbilt University (Undergraduate School, 1995)

English

OHSU Hospital-Marquam Hill Campus

Salem Hospital

Colorectal Surgery

General Surgery

Dr. Anthony Simons

Dr. Anthony Simons

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(360) 487-1036

American Board of Colon & Rectal Surgery

American Board of Surgery

Lac Medical Center (Internship Hospital, 1989)

Rosalind Franklin University Chicago Medical School (Medical School, 1988)

English

Legacy Salmon Creek Medical Center

Legacy Good Samaritan Medical Center

Colorectal Surgery

Dr. Paul Kaminsky

Dr. Paul Kaminsky

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 413-5514

American Board of Colon & Rectal Surgery

English

Legacy Salmon Creek Medical Center

Legacy Good Samaritan Medical Center

PeaceHealth Southwest Medical Center

Colorectal Surgery

Dr. Khayree Butler

Dr. Khayree Butler

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(360) 487-1036

American Board of Surgery

University of Maryland at Baltimore (Medical School, 2008)

English

Legacy Salmon Creek Medical Center

Legacy Good Samaritan Medical Center

Colorectal Surgery

Dr. Rodrigo Pedraza Rosales

Dr. Rodrigo Pedraza Rosales

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 281-0561

American Board of Colon & Rectal Surgery

American Board of Surgery

Oregon Health & Science University (OHSU) (Fellowship Hospital, 2020)

Houston Methodist Hospital (Residency Hospital, 2019)

University of Texas Health Sciences Center at Houston McGovern Medical School (Internship Hospital, 2015)

Universidad Autonoma De Tamaulipas Facultad De Medicina (Medical School, 2010)

English

Providence Portland Medical Center

Colorectal Surgery

General Surgery

Dr. Brook Ahnemann

Dr. Brook Ahnemann

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 675-2439

National University of Natural Medicine (Medical School)

English

Naturopathy

Cardiovascular & Metabolic Diseases

Cardiovascular & Pulmonary Diseases

Gastroenterology

Reproductive Endocrinology & Infertility

Fertility Medicine

Pediatric Medicine

Pediatric Dermatology

Family Medicine

Adult Medicine

Gynecology

Pediatrics

Pediatric Integrative Medicine

Dermatology

Dietary Management

Nutrition

Nutrition Education

Orthomolecular Medicine

Allergy & Asthma

Preventive Medicine

Health Education

Pediatric Nutrition

Bisexual and Transgender Gynecology

Men's Health Medicine

Women's Health Medicine

Nutrition Consulting

Acute Care Medicine

Functional Medicine

General Medical Practice

Lifestyle Medicine

BV

Dr. Brian Vaitkus

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 206-5309

English

Naturopathy

Gastroenterology

Autoimmune Diseases

Neurological Movement Disorders

Chinese Herbal Medicine

Dr. Erica Zelfand

Dr. Erica Zelfand

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 552-1551

English

Naturopathy

Gastroenterology

Endocrinology, Diabetes & Metabolism

Gynecology

Pediatrics

Dr. Anthony Razzak

Dr. Anthony Razzak

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(831) 375-3577

American Board of Internal Medicine

Virginia Mason Medical Center (2016)

University of Pittsburgh Medical Center (Fellowship Hospital, 2015)

Mayo Clinic (Residency Hospital, 2012)

University of Illinois Chicago (Medical School, 2009)

University of Illinois at Urbana-Champaign (Undergraduate School, 2003)

English

Community Hospital of the Monterey Peninsula

Salinas Valley Memorial Hospital

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Gennadiy Bakis

Dr. Gennadiy Bakis

5.0

Portland, OR

Sex

Male

Languages

English, Russian

Phone

(503) 963-2707

American Board of Internal Medicine

MAINE MEDICAL CENTER|State University Of New York (Fellowship Hospital, 2010)

University of Massachusetts (Internship Hospital, 2005)

ALBANY MEDICAL COLLEGE (Medical School, 2002)

English

Russian

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Providence Portland Medical Center

Gastroenterology

Dr. Sidharth Bhardwaj

Dr. Sidharth Bhardwaj

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Northeast Ohio Medical University (Medical School, 1999)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Milton Johnson

Dr. Milton Johnson

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(920) 431-5650

American Board of Internal Medicine

Georgetown University Hospital (Residency Hospital)

Vet Affairs Medical Center (Residency Hospital)

University of Mississippi (Medical School, 1986)

English

Bellin Memorial Hospital

Gastroenterology

SD

Dr. Sarah Diamond

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-8311

American Board of Internal Medicine

University of Miami Miller School of Medicine (Medical School, 2008)

English

Samaritan Albany General Hospital

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Dr. Kent Benner

Dr. Kent Benner

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Oregon Health & Science University (Fellowship Hospital, 1982)

Oregon Health And Science University|Washington University (Fellowship Hospital, 1982)

Washington University (Fellowship Hospital, 1981)

UNIVERSITY OF COLORADO AT DENVER (Residency Hospital, 1980)

UNIVERSITY OF COLORADO AT DENVER (Internship Hospital, 1979)

University of California At Los Angeles (Medical School, 1977)

Stanford University (Undergraduate School, 1973)

English

Providence Hood River Memorial Hospital

Providence Milwaukie Hospital

Gastroenterology

Internal Medicine

Dr. Silvio De Melo

Dr. Silvio De Melo

5.0

Portland, OR

Sex

Male

Languages

English, Portuguese, Spanish

Phone

(503) 494-4373

American Board of Internal Medicine

Mayo Clinic Jacksonville (Fellowship Hospital, 2010)

Faculdade De Medicina Da Universidade De Pernambuco, Refice, Brazil (Medical School, 2001)

University Fed de Pernambuco, Recife (Medical School, 2001)

English

Portuguese

Spanish

HCA Florida St. Lucie Hospital

Gastroenterology

Internal Medicine

MS

Dr. Mark Sofia

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-2270

American Board of Internal Medicine

UNIVERSITY OF CHICAGO HOSPITAL / ROOSEVELT UNIVERSITY (Medical School, 2012)

English

OHSU Hospital-Marquam Hill Campus

Salem Hospital

Asante Three Rivers Medical Center

Gastroenterology

Internal Medicine

KB

Dr. Katherine Black

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

Medical University of South Carolina (Medical School, 2006)

English

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

KS

Dr. Kaveh Sharzehi

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-2270

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

McKenzie-Willamette Medical Center

St. Charles Bend

Gastroenterology

BD

Dr. Barry Degregorio

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of North Carolina at Chapel Hill (Medical School, 1990)

English

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Legacy Meridian Park Medical Center

Gastroenterology

JB

Dr. Jeffrey Buehler

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

Or Hlth&Scie University (Fellowship Hospital, 2003)

Or Hlth&Scie University|University CA (Fellowship Hospital, 2003)

Or Hlth&Scie University (Residency Hospital, 2001)

University CA (Fellowship Hospital, 2001)

Or Hlth&Scie University (Internship Hospital, 1999)

Weill Cornell Medical College (Medical School, 1998)

English

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Providence Portland Medical Center

Gastroenterology

KK

Dr. Kandice Knigge

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-8577

University of Utah (Medical School, 1992)

English

Gastroenterology

Joshua Nicholson

Joshua Nicholson

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

Midwestern University (2018)

University of British Columbia (Undergraduate School, 2013)

English

Physician Assistant (PA)

Gastroenterology

Dr. Ajay Singhvi

Dr. Ajay Singhvi

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Michigan (Fellowship Hospital, 2021)

McGaw Medical Center (Residency Hospital, 2020)

Northwestern University (Undergraduate School, 2008)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

JJ

Dr. Janice Jou

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

Northwestern University Feinberg School of Medicine (Medical School, 2003)

English

OHSU Hospital-Marquam Hill Campus

Sky Lakes Medical Center

Gastroenterology

Transplant Hepatology

DL

Dr. David Lieberman

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 273-5318

American Board of Internal Medicine

UNIVERSITY OF MICHIGAN / ANN ARBOR (Medical School, 1976)

English

Good Samaritan Regional Medical Center

Mid-Columbia Medical Center

Gastroenterology

Internal Medicine

NH

Dr. Nancy Ho

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(415) 749-6900

American Board of Internal Medicine

Northwestern University Feinberg School of Medicine (Medical School, 2015)

English

Gastroenterology

RS

Dr. Robert Shneidman

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

University of Texas Health San Antonio School of Dentistry (Medical School, 1982)

English

Alaska Native Medical Center

Gastroenterology

Internal Medicine

RK

Dr. Ronald Katon

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8577

American Board of Internal Medicine

Rosalind Franklin University Chicago Medical School (Medical School, 1966)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Internal Medicine

JU

Dr. Jennifer Urquhart

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(800) 813-2000

American Board of Internal Medicine

Wayne State University (Medical School, 2003)

English

Kaiser Permanente Westside Medical Center

Kaiser Sunnyside Medical Center

Salem Hospital

Gastroenterology

FJ

Dr. Frank Baumeister Jr

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 413-2560

University of Miami Miller School of Medicine (Medical School, 1961)

English

Gastroenterology

JC

Dr. Judith Collins

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

Medical University of South Carolina (Medical School, 1977)

English

Gastroenterology

Internal Medicine

Dr. Rebecca Fausel

Dr. Rebecca Fausel

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Washington (Fellowship Hospital, 2015)

University of Washington (Residency Hospital, 2011)

English

Providence Portland Medical Center

Internal Medicine

Gastroenterology

JK

Dr. Julie Kim

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 229-7137

UNIVERSITY OF WISCONSIN / MADISON (Medical School, 1992)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Aaron Cosman

Aaron Cosman

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

Virginia Commonwealth University (Medical School, 2014)

Florida State University (Undergraduate School, 2009)

English

Nursing (Nurse Practitioner)

Gastroenterology

KW

Dr. Kara Walter

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(800) 813-2000

American Board of Internal Medicine

University of Washington Medical Center (Residency Hospital, 2015)

English

Ronald Reagan UCLA Medical Center

UCLA Santa Monica Medical Center

Kaiser Permanente Westside Medical Center

Hepatology

Gastroenterology

BH

Dr. Benjamin Hornung

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of Kansas School of Medicine (Medical School, 2014)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Internal Medicine

MT

Dr. Molly Thomas

5.0

Portland, OR

Sex

Female

Languages

English

American Board of Internal Medicine

University of Southern California Keck School of Medicine (Medical School, 2014)

English

Massachusetts General Hospital

Brigham and Women's Hospital

Gastroenterology

Internal Medicine

Dr. Andrea McBeth

Dr. Andrea McBeth

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(971) 258-1152

English

Naturopathy

Gastroenterology

Geriatric Medicine

Autoimmune Diseases

Christina Thompson

Christina Thompson

5.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

Massachusetts College of Pharmacy and Health Sciences (Undergraduate School, 2012)

University of New Hampshire (Undergraduate School, 2012)

English

Gastroenterology

Physician Assistant (PA)

WN

Dr. Willscott Naugler

5.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 418-4500

American Board of Internal Medicine

University of Arkansas for Medical Sciences College of Medicine (Medical School, 2003)

English

PeaceHealth Cottage Grove Community Medical Center

Wallowa Memorial Hospital

Willapa Harbor Hospital

Gastroenterology

Transplant Hepatology

Dr. Saad Jazrawi

Dr. Saad Jazrawi

5.0

Portland, OR

Sex

Male

Languages

English

Dr. Saad Jazrawi, a gastroenterologist based in Portland, OR, brings a depth of expertise to his practice. With a medical education from University of Al-Mustansiriyah College of Medicine and further training at respected institutions like University of Texas and Saint Vincent Catholic Medical Center, he is board certified in Internal Medicine and Gastroenterology. Dr. Jazrawi has a 5.0 star rating and is affiliated with NorthWest Gastroenterology Clinic, LLC. Fluent in English, he is associated with various networks including Aetna, AARP, and Affinity Health Plan, ensuring a wide range of patient access to his services.

NorthWest Gastroenterology Clinic, LLC

American Board of Internal Medicine

Gastroenterology (Internal Medicine)

New York Medical College, Residency in Internal Medicine

New York Medical College, Internship in Internal Medicine

Medical School - University of Al-Mustansiriyah College of Medicine

Saint Vincent Catholic Medical Center, Fellowship in Gastroenterology

University of Texas, Southwestern (Fellowship)

English

Aetna

AARP

Affinity Health Plan

1130 NW 22nd Ave, Suite 410 (Office Visits) Portland, OR

1130 NW 22nd Avenue, Suite 615 (Procedures Only) Portland, OR

Gastroenterologist

Dr. Edward Galen

Dr. Edward Galen

5.0

Portland, OR

Sex

Male

Languages

English

Dr. Edward Galen, a Gastroenterologist based in Portland, OR, brings extensive expertise acquired through his education at Oregon Health & Science University and Virginia Commonwealth University Medical Center. Certified by the American Board of Internal Medicine in Gastroenterology, he holds a 5.0-star rating. Dr. Galen, affiliated with NorthWest Gastroenterology Clinic, LLC, is fluent in English and is associated with Aetna, AARP, and Affinity Health Plan networks.

NorthWest Gastroenterology Clinic, LLC

American Board of Internal Medicine

Gastroenterology (Internal Medicine)

Medical School - Oregon Health & Science University

Oregon Health & Science University, Residency in Internal Medicine

Virginia Commonwealth University Medical Center, Fellowship in Gastroenterology

English

Aetna

AARP

Affinity Health Plan

1130 NW 22nd Ave, Suite 410 (Office Visits) Portland, OR

1130 NW 22nd Avenue, Suite 615 (Procedures Only) Portland, OR

Gastroenterologist

Dr. Julie Kim

Dr. Julie Kim

5.0

Portland, OR

Sex

Female

Languages

English

Dr. Julie Kim, a gastroenterologist practicing in Portland, OR, brings a wealth of experience with an extensive educational background including medical training at the University of Wisconsin and Baylor College of Medicine. She further honed her expertise through fellowships in Gastroenterology at Oregon Health & Science University and a residency in Internal Medicine at the University of Colorado Hospital. Dr. Kim holds certification in Gastroenterology within Internal Medicine and is affiliated with NorthWest Gastroenterology Clinic, LLC. Fluent in English, she serves patients with a 5.0 star rating, accepting various insurance networks such as Aetna, AARP, and Affinity Health Plan.

NorthWest Gastroenterology Clinic, LLC

Gastroenterology (Internal Medicine)

Medical School - University of Wisconsin

Oregon Health & Science University, Residency in Internal Medicine

Baylor College of Medicine, Fellowship in Gastroenterology

University of Colorado Hospital, Fellowship in Gastroenterology

English

Aetna

AARP

Affinity Health Plan

501 N Graham St., Suite 465 (Office Visits) Portland, OR

1130 NW 22nd Avenue, Suite 615 (Procedures Only) Portland, OR

Gastroenterologist

Dr. Derek Taylor

Dr. Derek Taylor

5.0

Portland, OR

Sex

Male

Languages

English

Dr. Derek Taylor, a gastroenterologist based in Portland, OR, completed his medical training at the University of Utah and The Johns Hopkins Hospital. He holds certifications in Gastroenterology and is affiliated with NorthWest Gastroenterology Clinic, LLC. Dr. Taylor is proficient in English and has a 5.0-star rating. He accepts insurance from Aetna, AARP, and Affinity Health Plan, offering his expertise in digestive health care.

NorthWest Gastroenterology Clinic, LLC

Gastroenterology (Internal Medicine)

The Johns Hopkins Hospital, Internship in Internal Medicine

The Johns Hopkins Hospital, Residency in Internal Medicine

Medical School - University of Utah

Oregon Health & Science University (Fellowship)

English

Aetna

AARP

Affinity Health Plan

1130 NW 22nd Ave, Suite 410 (Office Visits) Portland, OR

1130 NW 22nd Avenue, Suite 615 (Procedures Only) Portland, OR

Gastroenterologist

Dr. Barry DeGregorio

Dr. Barry DeGregorio

5.0

Portland, OR

Sex

Male

Languages

English

Dr. Barry DeGregorio is a highly qualified gastroenterologist practicing in Portland, Oregon. He holds certifications from the American Board of Internal Medicine in both Internal Medicine and Gastroenterology. Dr. DeGregorio completed his medical education at the University of North Carolina and Oregon Health & Science University, where he also did his residency in Internal Medicine, internship, and fellowship in Gastroenterology. He is affiliated with NorthWest Gastroenterology Clinic, LLC, and accepts insurance from networks such as Aetna, AARP, and Affinity Health Plan. Patients have rated him with a perfect 5.0-star rating, highlighting his exceptional care and expertise. His practice is conducted in English.

NorthWest Gastroenterology Clinic, LLC

American Board of Internal Medicine

Gastroenterology (Internal Medicine)

Medical School - University of North Carolina

Oregon Health & Science University, Residency in Internal Medicine

Oregon Health & Science University, Internship in Internal Medicine

Oregon Health & Science University, Fellowship in Gastroenterology

English

Aetna

AARP

Affinity Health Plan

501 N Graham St., Suite 465 (Office Visits) Portland, OR

1130 NW 22nd Avenue, Suite 615 (Procedures Only) Portland, OR

Gastroenterologist

Dr. Alizah Rotramel

Dr. Alizah Rotramel

4.9

Portland, OR

Sex

Female

Languages

English

Phone

(503) 413-5514

American Board of Surgery

Penn State Milton S. Hershey Medical Center (Fellowship Hospital, 2012)

University of Chicago Medical Center (Internship Hospital, 2007)

Rush Medical College (Medical School, 2006)

University of Illinois at Chicago (2001)

University of Chicago (Undergraduate School, 1998)

English

Legacy Good Samaritan Medical Center

Colorectal Surgery

Dr. Viju Deenadayalu

Dr. Viju Deenadayalu

4.9

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Indiana University School of Medicine (Fellowship Hospital)

Wright State University Boonshoft School of Medicine (Medical School, 2009)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Joseph Frankhouse

Dr. Joseph Frankhouse

4.8

Portland, OR

Sex

Male

Languages

English, Spanish

Phone

(360) 487-1036

American Board of Colon & Rectal Surgery

American Board of Surgery

Los Angeles County - USC Medical Center (Residency Hospital, 1997)

University So Calif (Internship Hospital, 1991)

English

Spanish

Legacy Salmon Creek Medical Center

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Colorectal Surgery

Dr. Michael Phillips

Dr. Michael Phillips

4.8

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Preventive Medicine

American Board of Internal Medicine

University Co Medical Center|University of Colorado Health Sciences Center (Residency Hospital, 1989)

University Co Medical Center|University of Colorado Health Sciences Center (Fellowship Hospital, 1989)

University Co Medical Center|University of Colorado Health Sciences Center (Internship Hospital, 1987)

Oregon Health & Science University (Medical School, 1986)

English

Providence Portland Medical Center

Gastroenterology

Clinical Informatics

Internal Medicine

SF

Dr. Sandy Fang

4.7

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-8311

American Board of Surgery

University of Iowa (Medical School, 2005)

English

OHSU Hospital-Marquam Hill Campus

General Surgery

Colorectal Surgery

Dr. Lehel Somogyi

Dr. Lehel Somogyi

4.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Florida (Fellowship Hospital, 1999)

Lenox Hill Hospital (Residency Hospital, 1996)

University of Zagrebu / Medical College (Internship Hospital, 1993)

University Of Zagreb, Faculty Of Medicine (Medical School, 1989)

English

Providence Portland Medical Center

Gastroenterology

Dr. Jeremy Holden

Dr. Jeremy Holden

4.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Wisconsin|University of Wisconsin / Madison (Internship Hospital, 2002)

University of Wisconsin|University of Wisconsin / Madison (Residency Hospital, 2002)

University of Wisconsin|University of Wisconsin / Madison (Fellowship Hospital, 2002)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Mark Whiteford

Dr. Mark Whiteford

4.6

Portland, OR

Sex

Male

Languages

English

Phone

(503) 281-0561

American Board of Colon & Rectal Surgery

American Board of Surgery

Barnes Jewish Hospital (Fellowship Hospital, 1999)

Thomas Jefferson University Hospital (Residency Hospital, 1998)

Thomas Jefferson University Hospital (Internship Hospital, 1992)

University of Maryland School of Medicine (Medical School, 1991)

English

Providence Hood River Memorial Hospital

Providence Portland Medical Center

General Surgery

Colorectal Surgery

Dr. Charles Gabbert

Dr. Charles Gabbert

4.6

Portland, OR

Sex

Male

Languages

English, Spanish

Phone

(412) 784-1110

American Board of Internal Medicine

University of Pittsburgh Medical Center (UPMC) (Fellowship Hospital)

University of California San Diego Medical Center (Residency Hospital)

Oregon Health & Science University (Medical School)

Notre Dame (Undergraduate School)

English

Spanish

UPMC Presbyterian

UPMC St. Margaret

Gastroenterology

Hepatology

Dr. Kenneth Flora

Dr. Kenneth Flora

4.6

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Oregon Health & Science University (Internship Hospital, 1991)

Oregon Health & Science University (Residency Hospital, 1991)

Oregon Health & Science University (Medical School, 1988)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Hepatology

BL

Dr. Brian Landsverk

4.6

Portland, OR

Sex

Male

Languages

English

Phone

(503) 221-0161

American Board of Internal Medicine

NORTH DAKOTA STATE UNIVERSITY / MERITCARE HOSPITAL CONSORTIUM (Medical School, 2005)

English

Gastroenterology

Dr. James Regan

Dr. James Regan

4.5

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Minnesota (Internship Hospital, 1994)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Joy Chen

Dr. Joy Chen

4.5

Portland, OR

Sex

Female

Languages

English, Mandarin

Phone

(360) 896-6944

American Board of Internal Medicine

Albert Einstein College of Medicine (Fellowship Hospital, 2012)

University of Pittsburgh Medical Center (Residency Hospital, 2009)

University of Pittsburgh Medical Center (Internship Hospital, 2007)

Thomas Jefferson University Sidney Kimmel Medical College (Medical School, 2006)

English

Mandarin

Legacy Salmon Creek Medical Center

PeaceHealth Southwest Medical Center

Gastroenterology

HC

Dr. Hsichao Chow

4.5

Portland, OR

Sex

Male

Languages

English, Chinese

Phone

(808) 691-1000

American Board of Internal Medicine

CALIFORNIA STATE UNIVERSITY / SACRAMENTO / COLLEGE OF HEALTH AND HUMAN SERVICES (Medical School, 2001)

English

Chinese

McKenzie-Willamette Medical Center

Gastroenterology

Internal Medicine

Dr. Amanda Hayman

Dr. Amanda Hayman

4.4

Portland, OR

Sex

Female

Languages

English

Phone

(503) 281-0561

American Board of Colon & Rectal Surgery

American Board of Surgery

Mayo Clinic|Mayo Clinic Alix School of Medicine (Fellowship Hospital, 2014)

Northwestern University Feinberg School of Medicine (Residency Hospital, 2013)

Oregon Health & Science University (Medical School, 2005)

English

Providence Portland Medical Center

Colorectal Surgery

General Surgery

Dr. Rehan Ahmad

Dr. Rehan Ahmad

4.4

Portland, OR

Sex

Male

Languages

English, Cantonese

Phone

(503) 281-0561

American Board of Colon & Rectal Surgery

St Mark's Hospital (Fellowship Hospital, 2002)

St Vincent's Health Center (Fellowship Hospital, 2001)

University of Illinois (Residency Hospital, 2000)

Cook County Hospital (Residency Hospital, 1995)

Glasgow Royal Infirmary (Internship Hospital, 1993)

University of Glasgow / School of Medicine (Undergraduate School, 1992)

University of Glasgow (Medical School, 1992)

English

Cantonese

Legacy Good Samaritan Medical Center

Providence Portland Medical Center

Colorectal Surgery

General Surgery

Dr. David O'Brien

Dr. David O'Brien

4.4

Portland, OR

Sex

Male

Languages

English

Phone

(503) 281-0561

American Board of Colon & Rectal Surgery

American Board of Surgery

Clinical Fellow, Colorectal Surgery, Cleveland Clinic Foundation, Cleveland, Oh (Fellowship Hospital, 2005)

University of Cincinnati College of Medicine (Internship Hospital, 2001)

Northwestern University Feinberg School of Medicine (Medical School, 1963)

English

Providence Portland Medical Center

General Surgery

Colorectal Surgery

Dr. Laurel Hartwell

Dr. Laurel Hartwell

4.4

Portland, OR

Sex

Female

Languages

English

Phone

(541) 382-2811

American Board of Internal Medicine

Oregon Health & Science University (Residency Hospital)

Icahn School of Medicine at Mount Sinai (Medical School, 2007)

English

St. Charles Prineville

St. Charles Bend

Gastroenterology

Dr. Alan Savoy

Dr. Alan Savoy

4.4

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Mayo Clinic (Residency Hospital, 2009)

Mayo Clinic (Fellowship Hospital, 2005)

University of Nevada, Reno School of Medicine (Medical School, 1999)

English

Providence Portland Medical Center

Gastroenterology

CM

Dr. Carol Murakami

4.4

Portland, OR

Sex

Female

Languages

English

American Board of Internal Medicine

Loyola University Chicago School of Dentistry (Medical School, 1985)

English

Adventist Health Portland

Kaiser Permanente Central Hospital

Mercy Medical Center

Gastroenterology

Internal Medicine

JO

Dr. Jeffrey Olson

4.4

Portland, OR

Sex

Male

Languages

English

Phone

(503) 652-2880

UNIVERSITY OF ARIZONA / COLLEGE OF EDUCATION (Medical School, 2001)

English

Kaiser Permanente Westside Medical Center

Kaiser Sunnyside Medical Center

Gastroenterology

Dr. Betty Kim

Dr. Betty Kim

4.3

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

University of Michigan Medical Center (Residency Hospital, 2009)

University of Michigan Medical Center (Fellowship Hospital, 2003)

University of Michigan Medical Center (Internship Hospital, 1998)

University of Michigan Medical School (Medical School, 1997)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

EV

Dr. Erich Vorlop

4.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of Hawaii at Manoa John A. Burns School of Medicine (Medical School, 2008)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Dr. Craig Fausel

Dr. Craig Fausel

4.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Colorado Medical Center (Fellowship Hospital, 1989)

Brown University (Undergraduate School, 1979)

State University of New York Upstate Medical University Norton College of Medicine (Medical School, 1976)

English

Valley View Hospital

Gastroenterology

Internal Medicine

Dr. Daniel Tseng

Dr. Daniel Tseng

4.2

Portland, OR

Sex

Male

Languages

English

Phone

(503) 914-0024

American Board of Surgery

OHSU Hospitals and Clinics (Fellowship Hospital)

Or Health Science University Hospital (Residency Hospital)

Or Health Sciences University (Internship Hospital, 2000)

University of Illinois College of Medicine (Medical School, 1999)

Northwestern University Feinberg School of Medicine (Undergraduate School, 1995)

English

Providence St. Vincent Medical Center

Legacy Good Samaritan Medical Center

General Surgery

Surgical Oncology

Gastrointestinal Oncology

Colorectal Surgery

Gastroenterological Surgery

Laparoscopic Surgery

Robotic Surgery

Dr. Anne Wang

Dr. Anne Wang

4.2

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of California San Francisco (Fellowship Hospital, 1993)

University of California San Francisco (Residency Hospital, 1990)

University of California San Francisco (Internship Hospital, 1988)

English

Providence Portland Medical Center

Gastroenterology

Dr. Phillip Kiyasu

Dr. Phillip Kiyasu

4.2

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

University of Texas Southwestern Medical Center (Fellowship Hospital, 1991)

University of Texas Southwestern Medical Center (Residency Hospital, 1990)

University of Texas Southwestern Medical Center (Internship Hospital, 1988)

Tulane University School of Medicine (Medical School, 1987)

English

Providence Portland Medical Center

Providence Milwaukie Hospital

Gastroenterology

Internal Medicine

RJ

Dr. Roland Bennetts Jr

4.2

Portland, OR

Sex

Male

Languages

English

Phone

(503) 413-7711

American Board of Internal Medicine

Stanford University (Medical School, 1973)

English

IU Health Bloomington Hospital

Gastroenterology

Internal Medicine

Dr. Gregory Cote

Dr. Gregory Cote

4.2

Portland, OR

Sex

Male

Languages

English

Phone

(843) 792-6982

American Board of Internal Medicine

Northwestern University (Medical School)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Internal Medicine

DT

Dr. Derek Taylor

4.1

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of Utah (Medical School, 1998)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Dr. Hong Shen

Dr. Hong Shen

4.1

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Indiana University Medical Center (Fellowship Hospital, 2005)

Indiana University Medical Center (Residency Hospital, 2002)

University Of Western Australia, School Of Medicine and Dentistry (Medical School, 1997)

English

Providence Portland Medical Center

Gastroenterology

Tulika Agarwal

Tulika Agarwal

4.1

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

University of Florida, Gainesville (Medical School, 2016)

University of Florida, Gainesville (Undergraduate School, 2012)

English

Providence Portland Medical Center

Providence Milwaukie Hospital

Gastroenterology (Physician Assistant)

Gastroenterology

Physician Assistant (PA)

Dr. Donald Lum

Dr. Donald Lum

4.0

Portland, OR

Sex

Male

Languages

English, German, Spanish

Phone

(503) 963-2707

American Board of Internal Medicine

University of California-San Francisco (Fellowship Hospital)

Oregon Health & Science University|Oregon Health Science|Oregon Health Science (Residency Hospital, 1991)

Oregon Health Science (Residency Hospital, 1991)

Oregon Health & Science University|Oregon Health Sci|Oregon Health Sci (Internship Hospital, 1989)

Oregon Health Sci (Internship Hospital, 1989)

English

German

Spanish

Providence Portland Medical Center

Gastroenterology

Internal Medicine

AS

Dr. Anna Sasaki

4.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

Wilmington Medical Center (Residency Hospital, 1978)

Wilmington Medical Center (Internship Hospital, 1975)

Thomas Jefferson University Sidney Kimmel Medical College (Medical School, 1974)

English

Samaritan Albany General Hospital

Columbia Memorial Hospital

Good Samaritan Regional Medical Center

Gastroenterology

Internal Medicine

Dr. Branden Tarlow

Dr. Branden Tarlow

4.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Oregon Health & Science University (Medical School, 2016)

English

Providence Portland Medical Center

Gastroenterology

Hepatology

JJ

Dr. Joseph Parent Jr

4.0

Portland, OR

Sex

Male

Languages

English

University Or (Fellowship Hospital, 1973)

University Ca San Francisco Medical Center Va Hospital (Residency Hospital, 1972)

University Ca (Residency Hospital, 1971)

San Francisco General Hospital (Internship Hospital, 1966)

ALBANY MEDICAL COLLEGE (Medical School, 1965)

English

Legacy Meridian Park Medical Center

Internal Medicine

Gastroenterology

AZ

Dr. Atif Zaman

4.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

Tufts University (Medical School, 1991)

English

OHSU Hospital-Marquam Hill Campus

Columbia Memorial Hospital

Good Samaritan Regional Medical Center

Gastroenterology

Mary Gilley

Mary Gilley

4.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

Webster University (Undergraduate School)

Maryville University ()

Southern Illinois University ()

Southern Illinois University At Edwardsville ()

English

Providence Portland Medical Center

Adult Health Nursing (Nurse Practitioner)

Gastroenterology

Nursing (Nurse Practitioner)

Erica Heagy

Erica Heagy

4.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

University of San Francisco (2009)

Oregon State University (Undergraduate School, 2009)

English

Nursing (Nurse Practitioner)

Gastroenterology

JA

Dr. Jaime Aranda-Michel

3.9

Portland, OR

Sex

Male

Languages

English

Phone

(360) 514-7060

American Board of Internal Medicine

University Hospital (Residency Hospital)

Universidad Nacional Autonoma De Mexico,Ciudad Universitaria, Facultad De Medicina (Medical School, 1984)

English

PeaceHealth Southwest Medical Center

Gastroenterology

Internal Medicine

Transplant Hepatology

Dr. Amy Zhu

Dr. Amy Zhu

3.9

Portland, OR

Sex

Female

Languages

English, Mandarin

Phone

(503) 963-2707

American Board of Internal Medicine

Cedars Sinai Medical Center (Residency Hospital, 2010)

UCLA (David Geffen) School Of Medicine (Medical School, 2007)

English

Mandarin

Providence Portland Medical Center

Gastroenterology

Internal Medicine

AK

Dr. Albert Khine

3.9

Portland, OR

Sex

Male

Languages

English

Phone

(503) 221-0161

American Board of Internal Medicine

Georgetown University School of Dentistry (Medical School, 2001)

English

Legacy Good Samaritan Medical Center

Legacy Meridian Park Medical Center

Legacy Mount Hood Medical Center

Gastroenterology

MH

Dr. Melissa Hershman

3.7

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

University of Missouri (Medical School, 2014)

English

OHSU Hospital-Marquam Hill Campus

Salem Hospital

Gastroenterology

Internal Medicine

MC

Dr. Michael Chang

3.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

Boston University (Medical School, 1999)

English

Samaritan Albany General Hospital

OHSU Hospital-Marquam Hill Campus

Providence Medford Medical Center

Gastroenterology

Transplant Hepatology

MF

Dr. Michael Fennerty

3.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8577

American Board of Internal Medicine

Creighton University (Medical School, 1980)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Internal Medicine

Dr. Rodger Sleven

Dr. Rodger Sleven

3.7

Portland, OR

Sex

Male

Languages

English, Spanish

Phone

(503) 297-8081

American Board of Internal Medicine

Providence St. Vincent Hospital (Residency Hospital, 1989)

Oregon Health & Science University (Fellowship Hospital, 1982)

Oreg Health Scis Center (Internship Hospital, 1977)

University of California, San Francisco School of Medicine (Medical School, 1976)

University of California at Los Angeles (Undergraduate School, 1972)

English

Spanish

Providence Seaside Hospital

Gastroenterology

Internal Medicine

RH

Dr. Ronald Hapke

3.6

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

Oreg Health Scis University (Fellowship Hospital, 1998)

University Hospital Cleve (Internship Hospital, 1993)

University of Chicago Pritzker School of Medicine (Medical School, 1992)

English

Tuality Community Hospital

Gastroenterology

Internal Medicine

Dr. Kirsten Kinsman

Dr. Kirsten Kinsman

3.6

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

OHSU (Fellowship Hospital, 1996)

University of Colorado (Residency Hospital, 1993)

University of Colorado (Internship Hospital, 1991)

Wayne State University School of Medicine (Medical School, 1990)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

JC

Dr. Jonathan Chun

3.4

Portland, OR

Sex

Male

Languages

English

Phone

(503) 256-1575

American Board of Colon & Rectal Surgery

American Board of Surgery

WASHINGTON UNIVERSITY / COLLEGE OF DENTAL MEDICINE (Medical School, 2001)

English

Adventist Health Portland

General Surgery

Colorectal Surgery

SJ

Dr. Saad Jazrawi

3.4

Portland, OR

Sex

Male

Languages

English, Arabic

Phone

(503) 494-4373

American Board of Internal Medicine

Alabama A&M University (Medical School, 1996)

English

Arabic

OHSU Hospital-Marquam Hill Campus

Mid-Columbia Medical Center

Gastroenterology

Dr. Michael Owens

Dr. Michael Owens

3.4

Portland, OR

Sex

Male

Languages

English, Spanish

Phone

(503) 255-3054

American Board of Internal Medicine

University of Washington (Fellowship Hospital, 2002)

Washington University/Barnes-Jewish Hospital (Internship Hospital, 2000)

Washington University/Barnes Jewish Hospital (Residency Hospital, 2000)

University of Kansas School of Medicine (Medical School, 1997)

English

Spanish

Adventist Health Portland

Gastroenterology

Internal Medicine

DF

Dr. Dana Freeman

3.3

Portland, OR

Sex

Female

Languages

English, Spanish

Phone

(360) 514-7060

American Board of Internal Medicine

Eastern Virginia Medical School (Residency Hospital, 2009)

University of Michigan / Ann Arbor (Undergraduate School, 2001)

English

Spanish

PeaceHealth Southwest Medical Center

Gastroenterology

Internal Medicine

MS

Dr. Matthew Smith

3.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

SOUTH BAYLO UNIVERSITY SCHOOL OF ORIENTAL MEDICINE AT LOS ANGELES (Medical School, 2001)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

SM

Dr. Steven Mason

3.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 692-3750

American Board of Internal Medicine

Oregon Health & Science University (Medical School, 1975)

English

Gastroenterology

Internal Medicine

EG

Dr. Edward Galen

3.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

Oregon Health & Science University (Medical School, 1975)

English

OHSU Hospital-Marquam Hill Campus

Legacy Good Samaritan Medical Center

Gastroenterology

Internal Medicine

FO

Dr. Fouad Otaki

3.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

Providence Medford Medical Center

Salem Hospital

Gastroenterology

Internal Medicine

VF

Dr. Victor Fishman

3.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 255-3054

American Board of Internal Medicine

Albert Einstein College of Medicine (Medical School, 1994)

English

Adventist Health Portland

Gastroenterology

YC

Dr. Young Choi

3.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 221-0161

American Board of Internal Medicine

University of Illinois College of Medicine (Medical School, 2006)

English

Providence St. Vincent Medical Center

Kaiser Permanente Westside Medical Center

Legacy Good Samaritan Medical Center

Gastroenterology

NM

Dr. Nathan Markowitz

3.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 220-8262

American Board of Internal Medicine

UNIVERSITY OF MINNESOTA / TWIN CITIES CAMPUS (Medical School, 1985)

English

Gastroenterology

Internal Medicine

JA

Dr. Joseph Ahn

2.8

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

Northwestern University (Medical School, 2000)

English

OHSU Hospital-Marquam Hill Campus

Tuality Community Hospital

Mid-Columbia Medical Center

Gastroenterology

Transplant Hepatology

Internal Medicine

CH

Dr. Chris Hyun

2.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 293-0161

American Board of Internal Medicine

Northwestern University (Medical School, 1994)

English

Providence St. Vincent Medical Center

Kaiser Permanente Westside Medical Center

Legacy Good Samaritan Medical Center

Gastroenterology

AS

Dr. Amnon Sonnenberg

2.7

Portland, OR

Sex

Male

Languages

English

Phone

(503) 220-8262

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

CM

Dr. Chinar Mehta

2.6

Portland, OR

Sex

Male

Languages

English

American Board of Internal Medicine

ROSTOV MEDICAL UNIVERSITY (Medical School, 2001)

English

Kaiser Sunnyside Medical Center

Gastroenterology

Dr. Tiffany Lambrou

Dr. Tiffany Lambrou

2.6

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Florida State University (Medical School, 2016)

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

Dr. Lisa Poritz

Dr. Lisa Poritz

2.4

Portland, OR

Sex

Female

Languages

English

Phone

(503) 413-5514

American Board of Colon & Rectal Surgery

American Board of Surgery

Milton S Hershey Medical Center (Residency Hospital, 1999)

University Toronto (Fellowship Hospital, 1999)

Northwestern University Feinberg School of Medicine (Medical School, 1992)

English

Legacy Good Samaritan Medical Center

Colorectal Surgery

Dr. George Koval

Dr. George Koval

2.3

Portland, OR

Sex

Male

Languages

English, Spanish

Phone

(503) 692-1836

American Board of Internal Medicine

Oregon Health & Science University (Fellowship Hospital, 1984)

University of Pittsburgh (Undergraduate School, 1979)

UNIVERSITY OF PITTSBURGH / MAIN CAMPUS (Undergraduate School, 1979)

Michigan State Affiliated Hospitals (Internship Hospital, 1979)

Spectrum Health - Butterworth Hospital (Internship Hospital, 1979)

University of Pittsburgh School of Medicine (Medical School, 1978)

English

Spanish

Providence St. Vincent Medical Center

Gastroenterology

Internal Medicine

Dr. William Schlippert

Dr. William Schlippert

2.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 255-3054

American Board of Internal Medicine

Temple University (Medical School, 1971)

English

Gastroenterology

Internal Medicine

LH

Dr. Larry Heinonen

2.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 297-8081

Oregon Health & Science University (Medical School, 1974)

English

Gastroenterology

BS

Dr. Barry Schlansky

2.3

Portland, OR

Sex

Male

Languages

English

Phone

(503) 813-2000

American Board of Internal Medicine

Thomas Jefferson University (Medical School, 2006)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Transplant Hepatology

EJ

Dr. Emily Jonica

2.0

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

University of Texas Health Sciences Center at San Antonio Long School of Medicine (Medical School, 2015)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Internal Medicine

PS

Dr. Preeti Shenoy

1.0

Portland, OR

Sex

Female

Languages

English

Phone

(530) 532-8161

American Board of Colon & Rectal Surgery

Drexel University (Medical School, 2013)

English

Oroville Hospital

General Surgery

Colorectal Surgery

Dr. Jeffrey Albaugh

Dr. Jeffrey Albaugh

1.0

Portland, OR

Sex

Male

Languages

English

Phone

(503) 513-8950

Oregon Health & Science University (Fellowship Hospital)

Madigan Army Mc (Internship Hospital)

Willamette Center / Medical Department (Undergraduate School)

Willamette University (Undergraduate School)

University of Washington School of Medicine (Medical School, 1974)

English

Providence Portland Medical Center

Providence Milwaukie Hospital

Gastroenterology

AJ

Dr. Amanda Johner

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 413-7557

LONG ISLAND COLLEGE HOSPITAL / SCHOOL OF NURSING (Medical School, 2007)

English

Colorectal Surgery

CW

Dr. Carey Wickham

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 914-0024

American Board of Colon & Rectal Surgery

American Board of Surgery

English

Legacy Good Samaritan Medical Center

PeaceHealth Southwest Medical Center

General Surgery

Colorectal Surgery

Shannon Stoll

Shannon Stoll

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 281-0561

University of Bridgeport Physician Assistant Institute, Bridgeport, CT, Masters of Science in Physician Assistant Studies (Medical School, 2021)

Marywood Univeristy (Undergraduate School, 2014)

English

Providence Portland Medical Center

Colorectal Surgery

Urgent Care Medicine (Physician Assistant)

VT

Dr. Vanessa Talbott

N/A

Portland, OR

Sex

Female

Languages

English

American Board of Colon & Rectal Surgery

American Board of Surgery

George Washington University School of Medicine & Health Sciences (Medical School, 2007)

English

California Pacific Medical Center Mission Bernal

General Surgery

Colorectal Surgery

KL

Dr. Kim Lu

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Colon & Rectal Surgery

American Board of Surgery

HARVARD Medical School (Medical School, 1997)

English

OHSU Hospital-Marquam Hill Campus

General Surgery

Colorectal Surgery

Tina Patnode

Tina Patnode

N/A

Portland, OR

Sex

Female

Languages

English

Central Washington University (Undergraduate School)

Veterans Affairs Medical Center Dietetic Internship, Oregon Health and Science University (Internship Hospital, 1987)

English

Dietetics

Gastroenterology

BY

Dr. Benjamin Yip

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8211

American Board of Internal Medicine

Eastern Virginia Medical School (Medical School)

English

California Pacific Medical Center Mission Bernal

Gastroenterology

Internal Medicine

JL

Dr. John Lobitz

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 297-8081

Oregon Health & Science University (Medical School, 1974)

English

Gastroenterology

DW

Dr. Douglas Walta

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS (Medical School, 1969)

English

Gastroenterology

CC

Dr. Charles Colip

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 255-3054

INDIANA UNIVERSITY / BLOOMINGTON (Medical School, 1973)

English

Gastroenterology

RV

Dr. Ross Vyhmeister

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 297-8081

American Board of Internal Medicine

WASHINGTON UNIVERSITY / COLLEGE OF DENTAL MEDICINE (Medical School, 2016)

English

Kaiser Permanente Westside Medical Center

Kaiser Sunnyside Medical Center

Gastroenterology

Internal Medicine

GD

Dr. Ginger Degravelle

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 255-3054

American Board of Internal Medicine

English

Gastroenterology

Internal Medicine

DL

Dr. Dekey Lhewa

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

University of Washington / Harborview Medical Center (Medical School, 2007)

English

OHSU Hospital-Marquam Hill Campus

Asante Three Rivers Medical Center

Mercy Medical Center

Gastroenterology

Transplant Hepatology

Internal Medicine

WL

Dr. Weitian Liu

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 813-2000

American Board of Internal Medicine

University of South Dakota (Residency Hospital, 2005)

Brigham and Women's Hospital/Harvard Medical School (Fellowship Hospital, 2005)

University of South Dakota (Internship Hospital, 2003)

Shanghai Medical University (Medical School, 1989)

English

Kaiser Permanente Westside Medical Center

Kaiser Sunnyside Medical Center

Gastroenterology

KD

Kelley Davis

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 276-6138

English

Gastroenterology

JA

Dr. Jenna Anderson

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-8211

American Board of Internal Medicine

Albert Einstein College of Medicine (Medical School, 2017)

English

OHSU Hospital-Marquam Hill Campus

Legacy Emanuel Medical Center

Gastroenterology

Internal Medicine

MW

Dr. Manida Wungjiranirun

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

Tuality Community Hospital

Mid-Columbia Medical Center

Gastroenterology

Transplant Hepatology

Internal Medicine

KY

Dr. Kellie Young

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of California at San Francisco (Medical School, 2015)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Internal Medicine

ER

Dr. Emilie Regner

N/A

Portland, OR

Sex

Female

Languages

English

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

Internal Medicine

Gastroenterology

NM

Dr. Nir Modiano

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(971) 262-9500

American Board of Internal Medicine

UCLA (Fellowship Hospital, 2012)

Stanford University (Residency Hospital, 2008)

Yale School of Medicine (Medical School, 2005)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

SP

Dr. Sunny Patel

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 255-3054

American Board of Internal Medicine

PONTIFICIA UNIVERSIDAD CATILICA DEL ECUADOR / FACULTAD DE MEDICINA (Medical School, 2012)

English

NYC Health + Hospitals/Jacobi

Gastroenterology

Internal Medicine

TA

Dr. Tan Attila

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8417

Med College Wi (Fellowship Hospital, 2004)

Med College Wi (Residency Hospital, 2001)

Med College Wi (Internship Hospital, 1998)

Marmara University, School Of Medicine (Medical School, 1996)

English

Gastroenterology

JY

Dr. Jessica Yu

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

UNIVERSITY OF MICHIGAN / MEDICAL CENTER (Medical School, 2011)

English

OHSU Hospital-Marquam Hill Campus

St. Charles Bend

Gastroenterology

Internal Medicine

IH

Dr. Ian Holmes

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

English

Providence Portland Medical Center

Gastroenterology

Internal Medicine

DL

Dr. Dirk Van Leeuwen

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(920) 303-8700

American Board of Internal Medicine

English

Adventist Health Portland

Owensboro Health Regional Hospital

Gastroenterology

Esther Kihunyu

Esther Kihunyu

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

HAWAII PACIFIC UNIVERSITY (Medical School, 2008)

English

Providence Portland Medical Center

Providence Milwaukie Hospital

Gastroenterology

BC

Dr. Bradford Chong

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

Rush University (Medical School, 2016)

English

Mayo Clinic Hospital, Saint Marys Campus

Gastroenterology

Internal Medicine

AS

Dr. Anil Sharma

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8652

American Board of Internal Medicine

UNIVERSITY OF WISCONSIN / HOSPITAL AND CLINICS (Medical School, 2014)

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Dr. Jennifer Yeh

Dr. Jennifer Yeh

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 963-2707

American Board of Internal Medicine

Northwestern University McGaw Medical Center (Fellowship Hospital, 2023)

Johns Hopkins School of Medicine (Residency Hospital, 2019)

English

Legacy Good Samaritan Medical Center

Providence Portland Medical Center

Gastroenterology

DS

Dr. Dennis Sweeney

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 963-2707

UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS (Medical School, 1982)

English

Gastroenterology

CC

Dr. Caitlin Citti

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

Oregon Health & Science University (Medical School, 2012)

English

Samaritan Albany General Hospital

Samaritan Pacific Communities Hospital

Mid-Columbia Medical Center

Gastroenterology

HS

Dr. Herbert Salomon

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 285-9321

Rosalind Franklin University Chicago Medical School (Medical School, 1971)

English

Gastroenterology

Dr. Thienluong Domi Le

Dr. Thienluong Domi Le

N/A

Portland, OR

Sex

Female

Languages

English, Vietnamese

Phone

(503) 963-2707

American Board of Internal Medicine

Oregon Health & Science University (OHSU) (Residency Hospital, 2011)

Oregon Health & Science University (OHSU) (Medical School, 2008)

English

Vietnamese

Legacy Good Samaritan Medical Center

Providence Portland Medical Center

Gastroenterology

Internal Medicine

MN

Dr. Meghan Nesmith

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

University of South Florida (Medical School, 2011)

English

Legacy Good Samaritan Medical Center

Legacy Emanuel Medical Center

Gastroenterology

Internal Medicine

EY

Dr. Eric Yoo

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(831) 460-7350

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Internal Medicine

AM

Dr. Arnab Mitra

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-4373

American Board of Internal Medicine

English

OHSU Hospital-Marquam Hill Campus

Gastroenterology

Transplant Hepatology

Internal Medicine

Dr. Seth Crockett

Dr. Seth Crockett

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8311

American Board of Internal Medicine

Dartmouth College (Medical School, 2003)

English

OHSU Hospital-Marquam Hill Campus

University of North Carolina Hospital

Gastroenterology

PA

Dr. Pradeep Atla

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(808) 932-3000

American Board of Internal Medicine

UNIVERSITY OF PUNE / ARMED FORCES MEDICAL COLLEGE (Medical School, 2003)

English

Adventist Health Portland

Mercy Medical Center

Providence St. Joseph Hospital Eureka

Gastroenterology

RM

Dr. Ranjan Mascarenhas

N/A

Portland, OR

Sex

Male

Languages

English, Hindi

Phone

(503) 220-8262

American Board of Internal Medicine

VRIJE UNIVERSITY / FACULTY OF MEDICAL SCIENCE (Medical School, 2000)

English

Hindi

Baylor Scott & White Medical Center-Round Rock

Baylor Scott & White Medical Center-Temple

Gastroenterology

MB

Dr. Marc Binder

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(971) 255-0182

American Board of Internal Medicine

George Washington University School of Medicine & Health Sciences (Medical School, 1972)

English

Gastroenterology

Internal Medicine

SW

Dr. Sandra Wilborn

N/A

Portland, OR

Sex

Female

Languages

English

Phone

(503) 229-7137

American Board of Internal Medicine

UNIVERSITY OF NEVADA AT LAS VEGAS (Medical School, 1981)

English

Gastroenterology

Internal Medicine

CM

Dr. Clifford Melnyk

N/A

Portland, OR

Sex

Male

Languages

English

Phone

(503) 494-8577

UNIVERSITY OF BRITISH COLUMBIA / FACULTY OF EDUCATION (Medical School, 1959)

English

Gastroenterology

Choosing a Gastroenterologist in Portland

Factors to Consider When Selecting a Gastroenterologist

Qualifications and Board Certifications

  • Verify American Board of Internal Medicine certification
  • Check for additional certifications in Gastroenterology

Experience and Specializations

  • Years of practice in gastroenterology
  • Subspecialties (e.g., hepatology, inflammatory bowel disease)

Patient Reviews and Ratings

  • Examine overall star ratings on platforms like Healthgrades
  • Read individual patient testimonials

Hospital Affiliations

  • Check associations with reputable hospitals in Portland
  • Consider proximity to your location

Steps in the Gastroenterologist Selection Process

Research Potential Providers

  • Use online directories and healthcare platforms
  • Consult with your primary care physician for recommendations

Verify Insurance Coverage

  • Check if the gastroenterologist is in-network with your insurance
  • Understand potential out-of-pocket costs

Schedule Initial Consultations

  • Prepare questions about their approach to gastroenterological care
  • Discuss your specific health concerns and needs

Evaluate Communication and Comfort Level

  • Assess the doctor's ability to explain complex medical concepts
  • Consider your personal comfort with the practitioner

Top-Rated Gastroenterologists in Portland

Dr. Kent Benner

Qualifications and Experience

  • American Board of Internal Medicine certified
  • Completed fellowship at Oregon Health & Science University
  • Educated at University of California At Los Angeles

Patient Satisfaction

  • 5.0-star rating based on 16 reviews
  • Highly regarded for gastroenterology expertise

Practice Information

  • Affiliated with Providence Hood River Memorial Hospital and Providence Milwaukie Hospital
  • Contact number: (503) 963-2707

Dr. Gennadiy Bakis

Qualifications and Experience

  • American Board of Internal Medicine certified
  • Completed fellowship at MAINE MEDICAL CENTER|State University Of New York
  • Graduate of ALBANY MEDICAL COLLEGE

Patient Satisfaction

  • 5.0-star rating based on 4 reviews
  • Recognized for gastroenterology expertise

Practice Information

  • Affiliated with OHSU Hospital-Marquam Hill Campus, Legacy Good Samaritan Medical Center, and Providence Portland Medical Center
  • Fluent in English and Russian
  • Contact number: (503) 963-2707

Dr. Barry Degregorio

Qualifications and Experience

  • American Board of Internal Medicine certified
  • Graduate of University of North Carolina at Chapel Hill

Patient Satisfaction

  • 5.0-star rating based on 8 reviews
  • Well-regarded in the field of gastroenterology

Practice Information

  • Affiliated with OHSU Hospital-Marquam Hill Campus, Legacy Good Samaritan Medical Center, and Legacy Meridian Park Medical Center
  • Contact number: (503) 229-7137

Dr. Sarah Diamond

Qualifications and Experience

  • American Board of Internal Medicine certified
  • Graduate of University of Miami Miller School of Medicine

Patient Satisfaction

  • 5.0-star rating based on 1 review
  • Specializes in gastroenterology

Practice Information

  • Affiliated with Samaritan Albany General Hospital and OHSU Hospital-Marquam Hill Campus
  • Contact number: (503) 494-8311

Dr. Kaveh Sharzehi

Qualifications and Experience

  • American Board of Internal Medicine certified
  • Specializes in gastroenterology

Patient Satisfaction

  • 5.0-star rating based on 1 review

Practice Information

  • Affiliated with OHSU Hospital-Marquam Hill Campus, McKenzie-Willamette Medical Center, and St. Charles Bend
  • Contact number: (503) 494-2270

Gastroenterology in Portland

Overview of Gastroenterology

Definition and scope of gastroenterology

  • Study of digestive system disorders
  • Importance in overall health maintenance

Common conditions treated

  • Gastrointestinal diseases
  • Liver disorders
  • Pancreatic issues

Gastroenterology in Portland's Healthcare Landscape

Prevalence of gastrointestinal issues in the region

  • Local statistics on digestive health concerns
  • Factors contributing to GI problems in Portland

Quality of gastroenterology care in Portland

  • Presence of renowned medical institutions
  • Availability of advanced diagnostic and treatment options

Importance of Choosing the Right Gastroenterologist

Impact on diagnosis and treatment outcomes

  • Accurate and timely diagnoses
  • Personalized treatment plans

Patient-doctor relationship in gastroenterology

  • Communication and trust
  • Long-term care management