HealthcareDiscovery.AI / Doctors / California / Tustin / Gastroenterology

Gastroenterology in Tustin, California

Data updated monthly · Last refresh September 2026

4 Gastroenterology providers practice in Tustin. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Tustin

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. Khaldoun Debian, M.D.
Tustin, CA · $1,187 in drug and device payments (2025) · (714) 937-9400
Dr. Mohammad Elbatta
Tustin, CA · $54 in drug and device payments (2025) · (714) 937-9400
Dr. Moothedath Menon, M.D.
Tustin, CA · $18 in drug and device payments (2025) · (714) 665-9890
Dr. Won Yu, M.D.
Tustin, CA · $1,421 in drug and device payments (2025) · Telehealth · (714) 937-9400

Conditions Gastroenterology providers in Tustin, 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 Tustin, California?

There are 4 Gastroenterology providers with active NPI records practicing in Tustin, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Tustin treat?

Gastroenterology providers in Tustin 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 Tustin 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.