Gastroenterology in Indianapolis, Indiana
Data updated monthly · Last refresh September 2026
133 Gastroenterology providers practice in Indianapolis, and 57% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Indianapolis
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. Paul Haynes, M.D.Indianapolis, IN · $1,506 in drug and device payments (2025) ·
(317) 865-2955 Dr. Rachael Hagen, DOIndianapolis, IN · $372 in drug and device payments (2025) ·
(317) 278-4427 Dr. Rakesh Vinayek, M.D.Indianapolis, IN · $143 in drug and device payments (2025) ·
(317) 278-1630 Dr. Robert Bishop, MDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 872-7396 Dr. Robert Callon, MDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 872-7396 Dr. Robert Vincent, MDIndianapolis, IN · $1,361 in drug and device payments (2025) ·
(317) 865-2955 Dr. Robert Whitmore, MDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 962-6300 Dr. Sakib Khalid, MDIndianapolis, IN · $121 in drug and device payments (2025) · Telehealth ·
(317) 962-3600 Dr. Samer Gawrieh, MDIndianapolis, IN · $21,000 in drug and device payments (2025) · Telehealth ·
(317) 944-5000 Dr. Samreen BasraIndianapolis, IN · $292 in drug and device payments (2025) ·
(317) 871-7308 Dr. Satya Kurada, M.D.Indianapolis, IN · $141 in drug and device payments (2025) ·
(888) 484-3258 Dr. Serge Baroud, MDIndianapolis, IN · $249 in drug and device payments (2025) ·
(317) 278-4427 Dr. Seth Moore, MDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 621-6900 Dr. Shaker Barham, M.D.Indianapolis, IN · $3,743 in drug and device payments (2025) ·
(317) 962-2000 Dr. Shan Cheng, M.D.Indianapolis, IN · $2,684 in drug and device payments (2025) ·
(317) 865-2955 Dr. Spencer Wilson, M.D.Indianapolis, IN · $2,007 in drug and device payments (2025) ·
(317) 872-7396 Dr. Stephen Carlson, MDIndianapolis, IN · $207 in drug and device payments (2025) ·
(317) 578-2600 Dr. Stephen Mahoney, M.D.Indianapolis, IN · No drug or device payments recorded (2025) ·
(317) 865-2955 Dr. Sujani Yadlapati, MDIndianapolis, IN · $435 in drug and device payments (2025) ·
(317) 944-0980 Dr. Suthat Liangpunsakul, M.D.Indianapolis, IN · No drug or device payments recorded (2025) ·
(888) 484-3258 Dr. Taiseer Shatara, MDIndianapolis, IN · $2,278 in drug and device payments (2025) ·
(317) 872-7396 Dr. Thomas Carr, M.D.Indianapolis, IN · No drug or device payments recorded (2025) ·
(317) 988-3340 Dr. Thomas Imperiale, M.D.Indianapolis, IN · $34,879 in drug and device payments (2025) ·
(317) 944-8660 Dr. Thomas Nowak, MDIndianapolis, IN · $171 in drug and device payments (2025) ·
(888) 484-3258 Dr. Timothy Imler, M.D.Indianapolis, IN · $93 in drug and device payments (2025) · Telehealth ·
(317) 944-5000 Dr. Toyia James-stevenson, MDIndianapolis, IN · No drug or device payments recorded (2025) · Telehealth ·
(317) 355-1144 Dr. Wen Boynton, MDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 962-6300 Dr. Wesley Leung, M.D.Indianapolis, IN · No drug or device payments recorded (2025) ·
(317) 948-3088 Dr. William Erdel, M.D.Indianapolis, IN · No drug or device payments recorded (2025) ·
(317) 872-1161 Dr. William Fecht, M.D.Indianapolis, IN · $150 in drug and device payments (2025) ·
(317) 872-1161 Dr. William Kessler, MDIndianapolis, IN · $545 in drug and device payments (2025) ·
(317) 944-3332 Dr. Yunwei Wang, M.D., PH.DIndianapolis, IN · $787 in drug and device payments (2025) · Telehealth ·
(317) 415-6580 Dr. Zhibo An, MD., PHDIndianapolis, IN · No drug or device payments recorded (2025) ·
(317) 944-0980 Conditions Gastroenterology providers in Indianapolis, 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Indianapolis, Indiana?There are 133 Gastroenterology providers with active NPI records practicing in Indianapolis, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in Indianapolis received drug or device company payments?76 of 133 (57%) 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 Indianapolis treat?Gastroenterology providers in Indianapolis 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 Indianapolis Gastroenterology across Indiana
