HealthcareDiscovery.AI / Doctors / Indiana / South Bend / Gastroenterology

Gastroenterology in South Bend, Indiana

Data updated monthly · Last refresh September 2026

9 Gastroenterology providers practice in South Bend. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in South Bend

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. David Mark, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 000-0000
Dr. John Karagiannis, M.D.
South Bend, IN · $166 in drug and device payments (2025) · (574) 544-5580
Dr. John Mathis, M.D.
South Bend, IN · $2,277 in drug and device payments (2025) · (574) 234-0049
Dr. Luis Nidea, MD
South Bend, IN · $496 in drug and device payments (2025) · (574) 544-5580
Dr. Michael Manbeck, M.D.
South Bend, IN · $585 in drug and device payments (2025) · (574) 234-0049
Dr. Oliver Gilliam, M.D.
South Bend, IN · $119 in drug and device payments (2025) · (574) 234-0049
Dr. Pankaj Patel, M.D.
South Bend, IN · $746 in drug and device payments (2025) · (574) 234-0049
Dr. Ravi Patel, M.D.
South Bend, IN · $853 in drug and device payments (2025) · (574) 234-0049
Dr. Zuhair Yaseen, MD
South Bend, IN · $1,754 in drug and device payments (2025) · (574) 544-5580

Conditions Gastroenterology providers in South Bend, Indiana 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 South Bend, Indiana?

There are 9 Gastroenterology providers with active NPI records practicing in South Bend, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in South Bend treat?

Gastroenterology providers in South Bend 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 South Bend Gastroenterology across Indiana

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.