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Best Gastroenterologists in Oxnard

Written by Andrew Le, MD

Updated November 22, 2024

Introduction to Gastroenterology in Oxnard

Definition and scope of gastroenterology

Gastroenterology is a medical specialty focused on the digestive system and its disorders. In Oxnard, California, gastroenterologists play a significant role in diagnosing and treating a wide range of conditions affecting the gastrointestinal tract, liver, and related organs.

Gastroenterologists in Oxnard commonly treat conditions such as inflammatory bowel disease, gastrointestinal cancers, hepatitis, and functional disorders like irritable bowel syndrome. They also perform important screening procedures such as colonoscopies for colorectal cancer prevention.

Importance of choosing the right gastroenterologist

Selecting an appropriate gastroenterologist in Oxnard is essential for accurate diagnosis and effective treatment of digestive disorders. The right specialist can provide personalized care tailored to a patient's specific needs and medical history.

Gastroenterologists also play a key role in preventive care, offering screenings and advice on maintaining digestive health. Regular check-ups with a trusted gastroenterologist can lead to early detection of serious conditions, improving overall health outcomes for Oxnard residents.


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List of Gastroenterologists in Oxnard

Dr. John Billesdon

Dr. John Billesdon

5.0

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 981-5161

American Board of Internal Medicine

Harbor General Hospital (Fellowship Hospital)

La Co Harbor Ucla Medical Center (Residency Hospital)

Wayne State University School of Medicine (Medical School)

Amherst College (Undergraduate School)

English

Gastroenterology

Internal Medicine

Dr. Donald Miller

Dr. Donald Miller

4.9

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 484-7921

American Board of Internal Medicine

Boston Medical Center (Residency Hospital, 1990)

Temple University (Fellowship Hospital, 1990)

Med College Va Hosps (Internship Hospital, 1982)

English

St. John's Regional Medical Center

St. John's Hospital Camarillo

Gastroenterology

Internal Medicine

JG

Dr. Jay Guan

4.8

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 484-7921

American Board of Internal Medicine

English

St. John's Regional Medical Center

Gastroenterology

Internal Medicine

BP

Dr. Benito Pedraza

4.7

Oxnard, CA

Sex

Male

Languages

English, Spanish

Phone

(805) 641-6525

American Board of Internal Medicine

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

English

Spanish

Community Memorial Hospital San Buenaventura

Ventura County Medical Center

Gastroenterology

Dr. Micha Rojany

Dr. Micha Rojany

4.7

Oxnard, CA

Sex

Male

Languages

English, French, Spanish

Phone

(805) 484-7921

American Board of Internal Medicine

UC Davis|University of California at Davis / School of Medicine (Fellowship Hospital, 2006)

University of California, Davis School of Medicine (Fellowship Hospital, 2006)

Cedar's Sinai Medical Center (Residency Hospital, 2003)

Cedar's Sinai Medical Center (Internship Hospital, 2001)

Uc Berkeley (Undergraduate School, 1994)

English

French

Spanish

St. John's Regional Medical Center

St. John's Hospital Camarillo

Gastroenterology

Internal Medicine

Dr. Joseph Eisner

Dr. Joseph Eisner

4.6

Oxnard, CA

Sex

Male

Languages

English, French, Spanish

Phone

(805) 485-8722

American Board of Surgery

UC San Diego (Residency Hospital)

New York University Grossman School of Medicine (Medical School, 2012)

English

French

Spanish

Community Memorial Hospital San Buenaventura

St. John's Regional Medical Center

General Surgery

Critical Care Medicine

Colorectal Surgery

JM

Dr. Justin Marasigan

4.5

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 983-0521

American Osteopathic Board of Internal Medicine

English

St. John's Regional Medical Center

Gastroenterology

Internal Medicine

Dr. Karen Simon

Dr. Karen Simon

4.5

Oxnard, CA

Sex

Female

Languages

English

Phone

(805) 983-0521

American Board of Internal Medicine

Ucla Medical Center (Fellowship Hospital)

Cedars Sinai Medical Center (Residency Hospital, 2004)

Northwestern University Feinberg School of Medicine (Medical School, 2001)

English

St. John's Regional Medical Center

Gastroenterology

TL

Dr. Tesu Lin

4.3

Oxnard, CA

Sex

Male

Languages

English, Chinese

Phone

(808) 486-0449

University of Texas Health Sciences Center at San Antonio Long School of Medicine (Medical School, 1988)

English

Chinese

Pali Momi Medical Center

The Queens Medical Center

Straub Clinic and Hospital

Gastroenterology

KL

Dr. Kip Lyche

4.2

Oxnard, CA

Sex

Male

Languages

English, Spanish

Phone

(805) 641-6525

American Board of Internal Medicine

Santa Clara Valley Medical Center (Residency Hospital, 1989)

University of California, San Diego (Fellowship Hospital, 1989)

Santa Clara Valley Medical Center (Internship Hospital, 1987)

University of California, San Diego School of Medicine (Medical School, 1986)

English

Spanish

Community Memorial Hospital-Ojai

Community Memorial Hospital San Buenaventura

Ventura County Medical Center

Gastroenterology

Internal Medicine

Dr. Keval Shah

Dr. Keval Shah

4.2

Oxnard, CA

Sex

Male

Languages

English, Gujarati, Spanish

American Osteopathic Board of Internal Medicine

Beaumont Hospital (Fellowship Hospital)

MICHIGAN STATE University (Residency Hospital)

Pitzer College (Undergraduate School)

WESTERN University HLT SCI COL OSTEO MED OF THE PACIFIC (Medical School, 2010)

English

Gujarati

Spanish

Marian Regional Medical Center

French Hospital Medical Center

Gastroenterology

CG

Dr. Chetan Gondha

4.1

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 641-6525

American Board of Internal Medicine

UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE (Medical School, 2003)

English

Community Memorial Hospital San Buenaventura

Gastroenterology

Dr. Lisa Brand

Dr. Lisa Brand

4.0

Oxnard, CA

Sex

Female

Languages

English

Phone

(805) 322-8490

American Board of Surgery

Santa Barbara Cottage Hospital (Residency Hospital)

Santa Barbara Cottage Hospital (Internship Hospital)

Tel Aviv University School of Medicine (Medical School)

The Georgia Institute of Technology (Undergraduate School)

English

Los Robles Regional Medical Center

St. John's Regional Medical Center

St. John's Hospital Camarillo

General Surgery

Colorectal Surgery

Breast Surgery

Endocrine Surgery

Gastroenterological Surgery

Laparoscopic Surgery

Dr. Sukhpreet Walia

Dr. Sukhpreet Walia

4.0

Oxnard, CA

Sex

Male

Languages

English, Hindi, Punjabi

Phone

(805) 983-0521

American Board of Internal Medicine

Delhi University (Undergraduate School, 2001)

Maulana Azad Medical College, Delhi University (Medical School, 2001)

English

Hindi

Punjabi

Cedars-Sinai Medical Center

Marian Regional Medical Center

St. John's Regional Medical Center

Gastroenterology

Internal Medicine

Dr. Dipti Sagar

Dr. Dipti Sagar

4.0

Oxnard, CA

Sex

Female

Languages

English

Phone

(805) 981-5161

American Board of Internal Medicine

MAGADH UNIVERSITY / NALANDA MEDICAL COLLEGE (Medical School, 2008)

English

Ventura County Medical Center

Gastroenterology

Internal Medicine

MH

Dr. Maggie Ham

3.8

Oxnard, CA

Sex

Female

Languages

English

Phone

(888) 249-2112

American Board of Internal Medicine

Beth Israel Deaconess Medical Center, Harvard Medical School (Fellowship Hospital, 2013)

Hospital of the University of Pennsylvania (Fellowship Hospital, 2011)

Ucla Medical Center (Internship Hospital, 2008)

University of California at Los Angeles (Medical School, 2007)

University of California, Los Angeles David Geffen School of Medicine (Medical School, 2007)

English

Community Memorial Hospital San Buenaventura

Gastroenterology

Internal Medicine

KH

Dr. Keith Harris

3.7

Oxnard, CA

Sex

Male

Languages

English, Spanish

Phone

(541) 768-6119

American Board of Internal Medicine

Charles R. Drew University of Medicine and Science College of Medicine (Medical School, 1989)

English

Spanish

Samaritan Albany General Hospital

Samaritan Lebanon Community Hospital

Good Samaritan Regional Medical Center

Gastroenterology

Internal Medicine

Dr. Sabine Hazan

Dr. Sabine Hazan

3.4

Oxnard, CA

Sex

Female

Languages

English, French

Phone

(805) 339-0549

DALHOUSIE UNIVERSITY / FACULTY OF MEDICINE (Medical School, 1992)

English

French

Community Memorial Hospital San Buenaventura

Gastroenterology

MJ

Dr. Michael Jean

3.3

Oxnard, CA

Sex

Male

Languages

English

Phone

(888) 515-3500

American Board of Internal Medicine

Medical College of Pennsylvania (Medical School, 1997)

English

Community Memorial Hospital San Buenaventura

Ventura County Medical Center

Gastroenterology

CM

Dr. Charles Menz

3.1

Oxnard, CA

Sex

Male

Languages

English

Phone

(805) 641-6525

American Board of Internal Medicine

University of Utah (Medical School, 1975)

English

Community Memorial Hospital-Ojai

Community Memorial Hospital San Buenaventura

Ventura County Medical Center

Gastroenterology

Internal Medicine

Dr. Cecilio Cabansag

Dr. Cecilio Cabansag

3.0

Oxnard, CA

Sex

Male

Languages

English, Spanish, Tagalog

Phone

(805) 486-1213

Vet Affairs Medical Center (Residency Hospital)

Manila Central University-Filemon D Tanchoco Foundation, College Of Medicine (Medical School, 1960)

English

Spanish

Tagalog

Gastroenterology

Internal Medicine

Dr. Laya Nasrollah

Dr. Laya Nasrollah

2.8

Oxnard, CA

Sex

Female

Languages

English

Phone

(805) 641-6525

American Board of Internal Medicine

English

Community Memorial Hospital San Buenaventura

Ventura County Medical Center

Gastroenterology

Internal Medicine

Dr. Paul Sanchez

Dr. Paul Sanchez

2.7

Oxnard, CA

Sex

Male

Languages

English, Spanish

Phone

(805) 981-5161

American Board of Internal Medicine

Orange County Medical Center (Residency Hospital)

University CA Irvine Medical Center (Residency Hospital)

Stanford University (Medical School, 1976)

Stanford University School of Medicine (Medical School, 1976)

English

Spanish

Ventura County Medical Center

Gastroenterology

Hepatology

JA

Dr. Joel Alpern

2.5

Oxnard, CA

Sex

Male

Languages

English, Portuguese, Spanish

Phone

(805) 641-6525

Cedar-Sinai Med Ctr/UCLA (Fellowship Hospital)

UCLA Medical Center David Geffen School Med (Fellowship Hospital)

Emory University (Internship Hospital)

Emory University School of Medicine (Internship Hospital)

Northwestern University (Undergraduate School)

Northwestern University Feinberg School of Medicine (Undergraduate School)

English

Portuguese

Spanish

Community Memorial Hospital San Buenaventura

Gastroenterology

Internal Medicine

Hepatology

BG

Dr. Bruce Greenwald

2.0

Oxnard, CA

Sex

Male

Languages

English

Phone

(888) 249-2112

American Board of Internal Medicine

Los Angeles County - USC Medical Center (Internship Hospital, 1982)

University of California, Los Angeles David Geffen School of Medicine (Medical School, 1981)

English

Kaiser Permanente Woodland Hills Medical Center

Internal Medicine

Gastroenterology

RE

Dr. Rukmini Enjamuri

N/A

Oxnard, CA

Sex

Female

Languages

English

Phone

(805) 983-0521

American Board of Internal Medicine

English

Gastroenterology

Internal Medicine

Overview of Gastroenterology Services in Oxnard

Available medical facilities

Hospitals offering gastroenterology services

  • St. John's Regional Medical Center
  • St. John's Hospital Camarillo
  • Community Memorial Hospital San Buenaventura
  • Ventura County Medical Center

Specialized clinics and practices

  • Multiple private practices and medical groups in Oxnard

Practicing gastroenterologists in Oxnard

Number of specialists

  • At least 15 gastroenterologists identified in the Oxnard area

Diversity in expertise

  • Varied backgrounds and subspecialties within gastroenterology

Quality of care indicators

Patient ratings

  • Average star ratings ranging from 2.0 to 5.0
  • Several highly-rated physicians with 4.5+ star ratings

Board certifications

  • Many physicians certified by the American Board of Internal Medicine

Top-Ranked Gastroenterologists in Oxnard

Dr. John Billesdon

Qualifications and Experience

  • Medical degree from Wayne State University School of Medicine
  • Fellowship at Harbor General Hospital
  • Board certified by the American Board of Internal Medicine

Patient Satisfaction

  • Highest star rating of 5.0 out of 5
  • 14 patient reviews
  • Specializes in Gastroenterology and Internal Medicine

Practice Information

  • Contact number: (805) 981-5161
  • Accepts English-speaking patients

Dr. Donald Miller

Professional Background

  • Completed residency at Boston Medical Center
  • Fellowship at Temple University
  • Board certified by the American Board of Internal Medicine

Hospital Affiliations

  • St. John's Regional Medical Center, Oxnard
  • St. John's Hospital Camarillo

Patient Reviews

  • 4.9 out of 5 star rating
  • 45 patient reviews
  • Speaks English and Spanish

Dr. Jay Guan

Expertise

  • Specializes in Gastroenterology and Internal Medicine
  • Board certified by the American Board of Internal Medicine

Patient Satisfaction

  • 4.8 out of 5 star rating
  • 35 patient reviews

Practice Details

  • Affiliated with St. John's Regional Medical Center
  • Contact number: (805) 484-7921

Dr. Micha Rojany

Educational Background

  • Fellowship at UC Davis School of Medicine
  • Residency at Cedar's Sinai Medical Center
  • Board certified by the American Board of Internal Medicine

Multilingual Capabilities

  • Fluent in English, French, and Spanish

Patient Feedback

  • 4.7 out of 5 star rating
  • 76 patient reviews
  • Affiliated with St. John's Regional Medical Center and St. John's Hospital Camarillo

Dr. Karen Simon

Professional Training

  • Fellowship at UCLA Medical Center
  • Residency at Cedars Sinai Medical Center
  • Medical degree from Northwestern University Feinberg School of Medicine

Specialty Focus

  • Dedicated practice in Gastroenterology
  • Board certified by the American Board of Internal Medicine

Patient Satisfaction Metrics

  • 4.5 out of 5 star rating
  • 98 patient reviews
  • Affiliated with St. John's Regional Medical Center

Factors to Consider When Choosing a Gastroenterologist in Oxnard

Credentials and Board Certifications

Importance of American Board of Internal Medicine certification

  • Most top-rated gastroenterologists in Oxnard are certified by the American Board of Internal Medicine

Additional certifications and specializations

  • Some physicians have certifications in related fields like hepatology

Experience with Specific Conditions or Procedures

Relevance of physician's focus areas

  • Consider doctors with experience in your specific gastrointestinal concerns

Years of practice and specialized training

  • Many Oxnard gastroenterologists have completed fellowships at prestigious institutions

Hospital Affiliations and Available Facilities

Key hospitals in Oxnard for gastroenterology

  • St. John's Regional Medical Center
  • Community Memorial Hospital San Buenaventura

Importance of modern medical equipment and facilities

  • Access to advanced diagnostic and treatment tools

Communication Style and Language Capabilities

Multilingual doctors in Oxnard

  • Several gastroenterologists speak Spanish, which is beneficial for the local population

Importance of clear communication

  • Choose a doctor who can explain complex medical issues in an understandable manner

Patient Reviews and Satisfaction Ratings

Utilizing online ratings and reviews

  • Consider doctors with high star ratings and positive patient feedback

Balancing quantitative and qualitative feedback

  • Look at both numerical ratings and written reviews for a comprehensive understanding