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Gastroenterology in Houston, Texas

Data updated monthly · Last refresh September 2026

272 Gastroenterology providers practice in Houston, and 76% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Houston

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. Tugrul Purnak, M.D.
Houston, TX · $22 in drug and device payments (2025) · (713) 704-3450
Dr. Tushar Dharia, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Ujasbhai Patel, MD
Houston, TX · $2,266 in drug and device payments (2025) · (281) 480-6264
Dr. Uma Mohan, M.D.
Houston, TX · $77 in drug and device payments (2025) · (281) 897-0011
Dr. Vaibhav Wadhwa, M.D.
Houston, TX · $207 in drug and device payments (2025) · (713) 500-6683
Dr. Valentine Millien, M.D./PH.D.
Houston, TX · $457 in drug and device payments (2025) · Telehealth · (281) 523-3320
Dr. Victor Machicao, M.D.
Houston, TX · $158 in drug and device payments (2025) · (713) 704-3450
Dr. Vijaya Kaila, MD
Houston, TX · $2,102 in drug and device payments (2025) · Telehealth · (713) 426-1320
Dr. Vikram Jala, MD
Houston, TX · $389 in drug and device payments (2025) · (281) 607-1402
Dr. Vikram Jayanty, M.D.
Houston, TX · $1,988 in drug and device payments (2025) · (713) 932-9200
Dr. Vishal Kaila, MD
Houston, TX · $760 in drug and device payments (2025) · Telehealth · (713) 426-1320
Dr. Waqar Qureshi, MD
Houston, TX · $22,279 in drug and device payments (2025) · Telehealth · (713) 798-0950
Dr. Wasay Mohajir, DO
Houston, TX · $112 in drug and device payments (2025) · (713) 442-1700
Dr. Wasif Abidi, M.D., PH.D.
Houston, TX · $2,939 in drug and device payments (2025) · Telehealth · (713) 798-0950
Dr. Wasseem Skef, M.D.
Houston, TX · $7,533 in drug and device payments (2025) · Telehealth · (713) 704-3450
Dr. William Ross, MD
Houston, TX · $18 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Yamini Natarajan, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Yeshaswini Panathur Sreenivasa Reddy, MBBS
Houston, TX · $693 in drug and device payments (2025) · (309) 397-0821
Dr. Yinghong Wang, MD, PHD
Houston, TX · $3,841 in drug and device payments (2025) · Telehealth · (713) 794-5073
Dr. Yolanda Hamilton, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 767-1245
Dr. Zaid Ansari, M.D.
Houston, TX · $1,286 in drug and device payments (2025) · (713) 500-6677
Dr. Zubair Khan, M.D
Houston, TX · $2,620 in drug and device payments (2025) · (713) 500-3450

Conditions Gastroenterology providers in Houston, 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 Houston, Texas?

There are 272 Gastroenterology providers with active NPI records practicing in Houston, according to federal NPPES data refreshed monthly.

How many Gastroenterology providers in Houston received drug or device company payments?

208 of 272 (76%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Houston treat?

Gastroenterology providers in Houston 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 Houston 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.