HealthcareDiscovery.AI / Doctors / California / San Gabriel / Gastroenterology

Gastroenterology in San Gabriel, California

Data updated monthly · Last refresh September 2026

3 Gastroenterology providers practice in San Gabriel. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in San Gabriel

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. Chester Zahn, MD
San Gabriel, CA · $183 in drug and device payments (2025) · Telehealth · (626) 287-7222
Dr. Dana Pan, MD
San Gabriel, CA · $3,579 in drug and device payments (2025) · Telehealth · (626) 898-4560
Dr. Robert Mehler, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 281-7461

Conditions Gastroenterology providers in San Gabriel, 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 Gabriel, California?

There are 3 Gastroenterology providers with active NPI records practicing in San Gabriel, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in San Gabriel treat?

Gastroenterology providers in San Gabriel 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 Gabriel Gastroenterology across California

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.