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Gastroenterology in San Francisco, California

Data updated monthly · Last refresh September 2026

103 Gastroenterology providers practice in San Francisco, and 50% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in San Francisco

Listed alphabetically. 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. Justin Sewell, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-4575
Dr. Kendall Beck
San Francisco, CA · $29 in drug and device payments (2025) · Telehealth · (415) 476-1528
Dr. Kenneth Binmoeller, MD
San Francisco, CA · $42,225 in drug and device payments (2025) · (415) 600-1151
Dr. Kenneth Hammerman, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 673-7600
Dr. Kenneth Mcquaid, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Kevin Ng-tang, PA-C
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (510) 386-3177
Dr. Lakshmipriya Subbaraj
San Francisco, CA · $144 in drug and device payments (2025) · (415) 476-1000
Dr. Laura Chiu, MD, MPH
San Francisco, CA · $61 in drug and device payments (2025) · Telehealth · (415) 476-1000
Dr. Lukejohn Day, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 377-2176
Dr. Lyle Shlager, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Madeleine Hu
San Francisco, CA · $145 in drug and device payments (2025) · (415) 476-1529
Dr. Mandana Khalili, MD
San Francisco, CA · $11,800 in drug and device payments (2025) · (415) 206-8822
Dr. Maneesh Singh, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-3143
Dr. Marcia Leung, MD
San Francisco, CA · $420 in drug and device payments (2025) · Telehealth · (415) 833-3514
Dr. Martin Spitz, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 540-1027
Dr. Mary Elizabeth Clark, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 644-5752
Dr. Ma Somsouk, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-8823
Dr. Michael Li
San Francisco, CA · $154 in drug and device payments (2025) · Telehealth · (628) 206-8823
Dr. Michael Verhille, M.D.
San Francisco, CA · $780 in drug and device payments (2025) · (415) 387-8800
Dr. Michele Tana, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 730-9086
Dr. Mimi Lin, M.D.
San Francisco, CA · $3,943 in drug and device payments (2025) · Telehealth · (415) 600-1000
Dr. Nikhil Agarwal, M.D.
San Francisco, CA · $779 in drug and device payments (2025) · Telehealth · (415) 600-3458
Dr. Patrick Avila
San Francisco, CA · $407 in drug and device payments (2025) · Telehealth · (628) 206-8823
Dr. Priya Kathpalia, M.D.
San Francisco, CA · $3,894 in drug and device payments (2025) · Telehealth · (415) 502-4444
Dr. Rena Mei, MD
San Francisco, CA · $192 in drug and device payments (2025) · (628) 206-8823
Dr. Richard Frederick, M.D.
San Francisco, CA · $45,689 in drug and device payments (2025) · Telehealth · (415) 600-1000
Dr. Richard Sundberg, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 387-8800
Dr. Robert Elsen, M.D.
San Francisco, CA · $878 in drug and device payments (2025) · Telehealth · (415) 469-0643
Dr. Robert Owen, M.D.
San Francisco, CA · $125 in drug and device payments (2025) · (415) 750-2101
Dr. Rohit Khanna, DO
San Francisco, CA · $1,113 in drug and device payments (2025) · (415) 476-3143
Dr. Ruzbeh Mosadeghi
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 502-4444
Dr. Shreya Patel
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8823
Dr. Silvia Teixeira Vilarinho, M.D., PH.D.
San Francisco, CA · $13,637 in drug and device payments (2025) · (628) 206-8823
Dr. Stanley Goldberg, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-8822
Dr. Stephanie Maldonado, MD, SCM
San Francisco, CA · $144 in drug and device payments (2025) · (415) 476-1529
Dr. Steven Jacobsohn, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 502-4444
Dr. Steven White, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 370-6120
Dr. Sun-chuan Dai, MD
San Francisco, CA · $4,493 in drug and device payments (2025) · Telehealth · (628) 206-8000
Dr. Tarun Rustagi, M.D.
San Francisco, CA · $182 in drug and device payments (2025) · (415) 600-1000
Dr. Thomas Haddad, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 771-4366
Dr. Thomas Myint, M.D
San Francisco, CA · $119 in drug and device payments (2025) · (415) 387-8800
Dr. Thomas Twaddell, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-9293
Dr. Timothy Chen, M.D.
San Francisco, CA · $2,605 in drug and device payments (2025) · Telehealth · (415) 387-8800
Dr. Timothy Lu, M.D., PH.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-3143
Dr. Uma Mahadevan, MD
San Francisco, CA · $108,932 in drug and device payments (2025) · Telehealth · (415) 502-4444
Dr. Vivek Rudrapatna, M.D., PH.D.
San Francisco, CA · $135 in drug and device payments (2025) · Telehealth · (415) 502-4444
Dr. Waseem Ahmad, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 502-4444
Dr. William Snape, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 600-1138
Dr. Wing Kam, M.D., PH.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 831-8383
Dr. Wint Thu Saung
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1000

Conditions Gastroenterology providers in San Francisco, 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 San Francisco, California?

There are 103 Gastroenterology providers with active NPI records practicing in San Francisco, according to federal NPPES data refreshed monthly.

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

52 of 103 (50%) 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 San Francisco treat?

Gastroenterology providers in San Francisco 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 records 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.

All specialties in San Francisco Gastroenterology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.