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Colonoscopy Specialists in California

55 verified specialists treating colonoscopy are listed for California. Coverage is strongest around Los Angeles, Redwood City, and San Francisco. Common hospital affiliations include UCLA Medical Center Santa Monica & Orthopaedic Hospital, Ronald Reagan UCLA Medical Center, and UCLA West Valley Medical Center.

Venkataraman Muthusamy

Venkataraman Muthusamy, MD

Professor of Clinical Medicine, David Geffen School of Medicine at UCLA; Medical Director of Endoscopy, UCLA Health; Leon J. Tiber, MD, and David S. Alpert, MD, Chair in Medicine

Gastroenterology

Los Angeles, CA30+ years
Advanced EndoscopyPancreaticobiliary
Joo Hwang

Joo Hwang, MD

Fortinet Founders School of Medicine Endowed Professor and Professor, by courtesy, of Surgery; Director, Gastrointestinal Endoscopic Surgery; Director, Inpatient Gastroenterology Services

Gastroenterology

Redwood City, CA20+ years
GI Oncology
Subhas Banerjee

Subhas Banerjee, MD

Professor of Medicine (Gastroenterology and Hepatology); Program Director, Advanced Endoscopy Fellowship Program

Gastroenterology

Redwood City, CA30+ years
Advanced EndoscopyPancreaticobiliary
Jonathan Terdiman

Jonathan Terdiman, MD

Inflammatory Bowel Disease Gastroenterology

Gastroenterology

San Francisco, CA30+ years
Inflammatory Bowel Disease
Thomas Savides

Thomas Savides, M.D.

Distinguished Professor of Clinical Medicine; Chief Experience Officer; Interim Chief, Division of Gastroenterology, University of California San Diego

Gastroenterology

San Diego, CA30+ years
Advanced EndoscopyPancreaticobiliary
Shai Friedland

Shai Friedland, M.D.

Professor of Medicine, Division of Gastroenterology and Hepatology, Stanford University School of Medicine

Gastroenterology

Redwood City, CA30+ years
Advanced Endoscopy
Joel Hecht

Joel Hecht, MD

Professor of Clinical Medicine, David Geffen School of Medicine at UCLA; Director, UCLA Gastrointestinal Oncology Program; Holder, Carol and Saul Rosenzweig Chair for Cancer Therapies Development

Gastroenterology

Santa Monica, CA30+ years
GI Oncology
Kenneth J Chang

Kenneth J Chang, MD

Executive Medical Director, Hoag Digestive Health Institute; Professor and Chief of the Division of Gastroenterology and Hepatology, University of California Irvine

Gastroenterology

Newport Beach, CA30+ years
Advanced Endoscopy
Shahab Mehdizadeh

Shahab Mehdizadeh, M.D.

Attending Physician and Gastroenterologist, Cedars-Sinai Medical Center

Gastroenterology

Beverly Hills, CA20+ years
Advanced Endoscopy
Alireza Sedarat

Alireza Sedarat, MD

MD, Gastroenterology | Interventional Gastroenterology

Gastroenterology

Los Angeles, CA20+ years
Advanced Endoscopy
Ronald Hsu

Ronald Hsu, MD

Clinical Professor of Medicine, University of California, Davis School of Medicine

Gastroenterology

Roseville, CA30+ years
Advanced Endoscopy
Joseph Pisegna

Joseph Pisegna, MD

Professor of Medicine at UCLA and Chief of the Division of Gastroenterology and Hepatology in the VA Greater Los Angeles Healthcare System

Gastroenterology

Los Angeles, CA30+ years
GI Oncology
Ju Dong Yang

Ju Dong Yang, MD

Medical Director, Liver Cancer Program, Cedars-Sinai Cancer Center

Gastroenterology

West Hollywood, CA20+ years
Transplant HepatologyGI OncologyClinical Hepatology
Mike Wei

Mike Wei, MD

Clinical Assistant Professor, Medicine — Gastroenterology & Hepatology

Gastroenterology

Stanford, CA9 years
Advanced EndoscopyColorectal Cancer Screening
Andrew Li

Andrew Li, MD

Clinical Assistant Professor, Medicine – Gastroenterology & Hepatology

Gastroenterology

Stanford, CA9 years
Advanced Endoscopy
James Lin

James Lin, MD

Chief, Division of Gastroenterology; Director of Endoscopy; Associate Clinical Professor, Department of Medicine

Gastroenterology

Duarte, CA20+ years
GI Oncology
Renumathy Dhanasekaran

Renumathy Dhanasekaran, MD, PHD

Assistant Professor of Medicine (Gastroenterology)

Gastroenterology

Redwood City, CA20+ years
GI OncologyTransplant HepatologyClinical Hepatology
Brennan Spiegel

Brennan Spiegel, MD

Director of Health Services Research, Cedars-Sinai Health System; Professor of Medicine and Public Health, UCLA; Editor-in-Chief, American Journal of Gastroenterology; Director, Cedars-Sinai Master's Degree Program in Health Delivery Science; Director, Cedars-Sinai Center for Outcomes Research and Education (CS-CORE)

Gastroenterology

West Hollywood, CA20+ years
Motility & Functional GIColorectal Cancer Screening
Robert Huang

Robert Huang, M.D.

Assistant Professor of Medicine, Gastroenterology & Hepatology; Member, Stanford Cancer Institute

Gastroenterology

Redwood City, CA15+ years
GI Oncology
John Carethers

John Carethers, M.D.

Vice Chancellor for Health Sciences, UC San Diego

Gastroenterology

La Jolla, CA30+ years
Colorectal Cancer Screening

Browse colonoscopy specialists by city in California

Drill into a specific California city to see vetted colonoscopy specialists practicing there.

Frequently Asked Questions

How is this list of colonoscopy specialists in California built?
This page includes physicians in Convene Health's public directory whose profile lists Colonoscopy as a clinical focus area and whose practice state is California. Providers are ordered by composite score (research output, peer recognition, frequency of care, and outcomes signals).
What should I look for when choosing a colonoscopy specialist in California?
Start with clinical fit. Compare credentials, hospital affiliations, years of experience, and how the profile describes their approach to colonoscopy. Many of these specialists are concentrated in major medical centers — drill into a specific city below to see who's nearest you.
Are these colonoscopy specialists accepting new patients in California?
Profile detail on availability and accepted insurance varies. Open a specific provider profile to see what they've published about new-patient access, insurance accepted, and typical wait times.
What is Colonoscopy?
Colonoscopy is a clinical focus area covered by the specialists listed here. Each provider profile describes their training, sub-specialties, and the conditions they regularly treat — open a profile for the most authoritative description of how that specific physician approaches colonoscopy care.