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Gastroenterology in Sherman, Texas

Data updated monthly · Last refresh September 2026

6 Gastroenterology providers practice in Sherman. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Sherman

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. Glenn Young, M.D.
Sherman, TX · $49 in drug and device payments (2025) · (903) 892-9179
Dr. Jermaine Clarke, DO
Sherman, TX · $459 in drug and device payments (2025) · Telehealth · (903) 364-4525
Dr. Johnasan Gregory, M.D.
Sherman, TX · $226 in drug and device payments (2025) · (903) 957-0233
Dr. John Fletcher, M.D.
Sherman, TX · $1,989 in drug and device payments (2025) · (903) 892-9179
Dr. Joseph Kim, M.D.
Sherman, TX · $1,186 in drug and device payments (2025) · Telehealth · (903) 364-4525
Dr. Martin Farrell, M.D.
Sherman, TX · No drug or device payments recorded (2025) · (903) 892-9179

Conditions Gastroenterology providers in Sherman, Texas 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 Sherman, Texas?

There are 6 Gastroenterology providers with active NPI records practicing in Sherman, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Sherman treat?

Gastroenterology providers in Sherman 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 Sherman Gastroenterology across Texas

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.