Gastroenterology in San Jose, California
Data updated monthly · Last refresh September 2026
46 Gastroenterology providers practice in San Jose, and 43% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in San Jose
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. Ahmad Kamal, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Alan Chin, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Alice Yang, M.D.San Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 523-3000 Dr. Allison Zhang, MDSan Jose, CA · $23 in drug and device payments (2025) · Telehealth ·
(650) 736-5555 Dr. Angela HsuSan Jose, CA · $405 in drug and device payments (2025) ·
(408) 347-9001 Dr. Bailey V Vittal, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 926-2182 Dr. Bhargava Gannavarapu, M.D.San Jose, CA · $4,679 in drug and device payments (2025) ·
(408) 471-2000 Dr. Brian Levitt, M.D.San Jose, CA · $445 in drug and device payments (2025) · Telehealth ·
(408) 347-9001 Dr. Christopher Knauer, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Christopher Rombaoa, M.D.San Jose, CA · $4,288 in drug and device payments (2025) · Telehealth ·
(619) 972-6910 Dr. David Chui, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 297-5740 Dr. David Lin, M.D.San Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(084) 793-2550 Dr. David Stein, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 626-7375 Dr. Eduardo Da Silveira, MD, MSCSan Jose, CA · $699 in drug and device payments (2025) · Telehealth ·
(408) 347-9001 Dr. Eugenie ShiehSan Jose, CA · $526 in drug and device payments (2025) · Telehealth ·
(408) 347-9001 Dr. Geeta Kutty, M.DSan Jose, CA · $1,048 in drug and device payments (2025) · Telehealth ·
(408) 347-9001 Dr. Gene Ma, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Geoffrey Spencer, MDSan Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 626-7375 Dr. Gordon Thenemann, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Gurpreet Rihal, MDSan Jose, CA · $105 in drug and device payments (2025) ·
(408) 972-7000 Dr. Harsha Vittal, MDSan Jose, CA · $235 in drug and device payments (2025) · Telehealth ·
(408) 926-2182 Dr. Hoan Tran, M.D.San Jose, CA · $454 in drug and device payments (2025) · Telehealth ·
(408) 898-1168 Dr. Hugh Mai, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 993-0636 Dr. Huy Nguyen, M.D.San Jose, CA · $6,768 in drug and device payments (2025) ·
(408) 347-9001 Dr. Huy Trinh, M.D.San Jose, CA · $13,642 in drug and device payments (2025) ·
(408) 430-1688 Dr. Jason Williams, MDSan Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 885-7947 Dr. Jenny Yang, MDSan Jose, CA · $410 in drug and device payments (2025) ·
(408) 347-9001 Dr. Khanh Nguyen, M.D.San Jose, CA · $467 in drug and device payments (2025) ·
(408) 347-9001 Dr. Luis Ocampo, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(941) 350-3525 Dr. Marwan Balaa, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 402-9990 Dr. Michael Fogel, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-7947 Dr. Michael Kushlan, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 356-0468 Dr. Morgan Wong, D.O.San Jose, CA · $1,984 in drug and device payments (2025) · Telehealth ·
(408) 515-2428 Dr. Nimeesh Shah, MDSan Jose, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 885-7947 Dr. Omar Bakr, MD, MPHSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Ranjit Makar, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7729 Dr. Rasik Kansara, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 871-3400 Dr. Raymond Tu, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Richard Kramer, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-7947 Dr. Ruel Garcia, M.D.San Jose, CA · $2,724 in drug and device payments (2025) · Telehealth ·
(408) 347-9001 Dr. Sally Nacianceno, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 251-3364 Dr. Sheila Savur, M.D.San Jose, CA · $43 in drug and device payments (2025) · Telehealth ·
(408) 871-3400 Dr. Suejin Kim, MDSan Jose, CA · $61,633 in drug and device payments (2025) · Telehealth ·
(650) 736-5555 Dr. Terry Lin, D.OSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 358-6580 Dr. Wendy Zhou, DOSan Jose, CA · $74 in drug and device payments (2025) ·
(408) 885-5000 Dr. William Thurston, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Conditions Gastroenterology providers in San Jose, 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in San Jose, California?There are 46 Gastroenterology providers with active NPI records practicing in San Jose, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in San Jose received drug or device company payments?20 of 46 (43%) 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 Jose treat?Gastroenterology providers in San Jose 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 Jose Gastroenterology across California
