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Gastroenterologists in California

Data updated monthly · Last refresh October 2026

2,135 Gastroenterology providers practice in California, including 918 (43%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

2,135providers
918telehealth
Los Angelestop city

Gastroenterology by city in California

Choose a city to see providers there.

Gastroenterology in Los Angeles195 providers
Gastroenterology in San Diego126 providers
Gastroenterology in San Francisco103 providers
Gastroenterology in Sacramento89 providers
Gastroenterology in Stanford63 providers
Gastroenterology in San Jose46 providers
Gastroenterology in Orange45 providers
Gastroenterology in Torrance44 providers
Gastroenterology in Fresno41 providers
Gastroenterology in La Jolla36 providers
Gastroenterology in Loma Linda33 providers
Gastroenterology in Walnut Creek33 providers
Gastroenterology in Palo Alto29 providers
Gastroenterology in Oakland27 providers
Gastroenterology in Fremont26 providers
Gastroenterology in Santa Monica26 providers
Gastroenterology in West Hollywood26 providers
Gastroenterology in Anaheim25 providers
Gastroenterology in Newport Beach23 providers
Gastroenterology in Beverly Hills23 providers
Gastroenterology in Riverside22 providers
Gastroenterology in Irvine22 providers
Gastroenterology in Modesto21 providers
Gastroenterology in Santa Rosa19 providers

Gastroenterology providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Michael Chang, M.D.
San Diego, CA · $358 in drug and device payments (2025) · Telehealth · (858) 249-6748
Dr. Michael Docherty, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Michael Goldhamer, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 299-2570
Dr. Michael Mottet, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Mohammad Phillip Fejleh, MD
San Diego, CA · $2,295 in drug and device payments (2025) · (800) 926-8273
Dr. Monica Tincopa, MD
San Diego, CA · $15,713 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Naveen Gara, M.D.
San Diego, CA · $21,443 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Nedret Copur, MD
San Diego, CA · $23 in drug and device payments (2025) · Telehealth · (619) 543-3783
Dr. Neeraj Mangla, MD
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Nghia Nguyen
San Diego, CA · $58 in drug and device payments (2025) · (619) 543-6268
Dr. Nicolas Pulham, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 290-5000
Dr. Paul Moser, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 662-5416
Dr. Pooja Magavi
San Diego, CA · $158 in drug and device payments (2025) · (619) 532-6400
Dr. Ravinder Mittal, M.D.
San Diego, CA · $5,650 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Raymond Tang, M.D
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-1849
Dr. Rena Yadlapati, M.D.
San Diego, CA · $1,804 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Richard Bower, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-8983
Dr. Richard Snyder, MD
San Diego, CA · $832 in drug and device payments (2025) · (858) 292-7525
Dr. R Johnson, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 939-6531
Dr. Robert Oakley, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Roderick Rapier, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Sajiv Chandradas, M.D.
San Diego, CA · $2,142 in drug and device payments (2025) · (619) 291-6064
Dr. Sally Stipho, M.D.
San Diego, CA · $1,063 in drug and device payments (2025) · (619) 291-6064
Dr. Samir Gupta, MD
San Diego, CA · $76 in drug and device payments (2025) · Telehealth · (858) 552-8585
Dr. Samuel Ho, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 552-8585
Dr. Sara Abdelhalim, DO, MPH
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Sergio Flores, MD
San Diego, CA · $1,339 in drug and device payments (2025) · (858) 292-7527
Dr. Shailja Shah, MD
San Diego, CA · $79 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Shravan Dave, MD
San Diego, CA · $61 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Sonali Master, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Sterling Dubin, M.D.
San Diego, CA · $262 in drug and device payments (2025) · Telehealth · (619) 543-3973
Dr. Steven Feitelberg, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Steven Ma, MD
San Diego, CA · $16 in drug and device payments (2025) · (858) 499-2600
Dr. Suja Dubois, MD
San Diego, CA · $1,713 in drug and device payments (2025) · (619) 291-6064
Dr. Susan Chu, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 939-6531
Dr. Taddese Desta, M.D.
San Diego, CA · $1,130 in drug and device payments (2025) · (619) 266-3332
Dr. Thomas Savides, M.D.
San Diego, CA · $6,543 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Thuy Anh Le, M.D.
San Diego, CA · $364 in drug and device payments (2025) · Telehealth · (858) 621-4145
Dr. Timothy Bemiller, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6460
Dr. Tommy Yen, M.D.
San Diego, CA · $1,957 in drug and device payments (2025) · (800) 926-8273
Dr. Tony Cheng, MD
San Diego, CA · $182 in drug and device payments (2025) · (833) 574-2273
Dr. Tuan Nguyen, MD
San Diego, CA · $448 in drug and device payments (2025) · Telehealth · (858) 278-5293
Dr. Ulrika Schumacher, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Veeral Ajmera, M.D.
San Diego, CA · $30,649 in drug and device payments (2025) · Telehealth · (619) 543-5415
Dr. Vijayalakshmi Pratha, MD
San Diego, CA · $198 in drug and device payments (2025) · Telehealth · (619) 260-1012
Dr. William Chen
San Diego, CA · $864 in drug and device payments (2025) · (858) 292-7527
Dr. William Minteer, MD
San Diego, CA · $1,279 in drug and device payments (2025) · Telehealth · (858) 292-7527
Dr. William Sandborn, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. William Schindler, D.O.
San Diego, CA · No drug or device payments recorded (2025) · (858) 939-6531
Dr. Abdul Kouanda, MD
San Francisco, CA · $204 in drug and device payments (2025) · Telehealth · (347) 419-5999

Conditions Gastroenterology providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in California?

There are 2,135 Gastroenterology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in California offer telehealth?

Yes. 918 of the 2,135 Gastroenterology providers in California (about 43%) report offering telehealth services in CMS data.

Which cities in California have the most Gastroenterology providers?

Los Angeles (195), San Diego (126), San Francisco (103) have the highest concentration of Gastroenterology providers in California.

How many Gastroenterology providers in California received drug or device company payments?

1,329 of 2,135 Gastroenterology providers in California (62%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in California treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in California work in independent practices or large health systems?

Among 1,498 Gastroenterologists in California enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 71% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Gastroenterologists hold privileges are Stanford Health Care in Stanford; Ronald Reagan UCLA Medical Center in Los Angeles; Cedars-Sinai Medical Center in Los Angeles.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in California? Get featured.