HealthcareDiscovery.AI / Doctors / Texas / Harlingen / Gastroenterology

Gastroenterology in Harlingen, Texas

Data updated monthly · Last refresh September 2026

10 Gastroenterology providers practice in Harlingen. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Harlingen

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. Jason Phillips, M.D.
Harlingen, TX · $223 in drug and device payments (2025) · (956) 365-4400
Dr. Mauro Silva, MD, MPH
Harlingen, TX · $308 in drug and device payments (2025) · (956) 365-4400
Dr. Nghia Nguyen, DO
Harlingen, TX · No drug or device payments recorded (2025) · (956) 365-4400
Dr. Nicole Grigg Gutierrez, MD
Harlingen, TX · $186 in drug and device payments (2025) · Telehealth · (956) 365-4400
Dr. Nolan Perez, MD
Harlingen, TX · $40,817 in drug and device payments (2025) · (956) 365-4000
Dr. Oral James, M.D.
Harlingen, TX · No drug or device payments recorded (2025) · (956) 357-0950
Dr. Oscar Alvarez, MD
Harlingen, TX · $165 in drug and device payments (2025) · (956) 365-4400
Dr. Owen Maat, MD
Harlingen, TX · $145 in drug and device payments (2025) · (956) 365-4400
Dr. Sandeep Samuel, MD
Harlingen, TX · $210 in drug and device payments (2025) · (956) 365-4400
Dr. Wayne Green, M.D.
Harlingen, TX · $545 in drug and device payments (2025) · (956) 423-1050

Conditions Gastroenterology providers in Harlingen, 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 Harlingen, Texas?

There are 10 Gastroenterology providers with active NPI records practicing in Harlingen, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Harlingen treat?

Gastroenterology providers in Harlingen 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 Harlingen Gastroenterology across Texas

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.