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Gastroenterologists in Indiana

Data updated monthly · Last refresh October 2026

371 Gastroenterology providers practice in Indiana, including 54 (15%) offering telehealth. The largest concentration is in Indianapolis. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

371providers
54telehealth
Indianapolistop city

Gastroenterology by city in Indiana

Choose a city to see providers there.

Gastroenterology in Indianapolis133 providers
Gastroenterology in Fort Wayne40 providers
Gastroenterology in Munster17 providers
Gastroenterology in Newburgh16 providers
Gastroenterology in Lafayette13 providers
Gastroenterology in New Albany11 providers
Gastroenterology in Danville11 providers
Gastroenterology in Anderson10 providers
Gastroenterology in South Bend9 providers
Gastroenterology in Evansville9 providers
Gastroenterology in Bloomington9 providers
Gastroenterology in Carmel8 providers
Gastroenterology in Terre Haute7 providers
Gastroenterology in Merrillville6 providers
Gastroenterology in Crown Point6 providers
Gastroenterology in Muncie5 providers
Gastroenterology in Michigan City5 providers
Gastroenterology in Valparaiso5 providers
Gastroenterology in Goshen4 providers
Gastroenterology in Richmond4 providers
Gastroenterology in Fishers3 providers
Gastroenterology in Columbus3 providers
Gastroenterology in Kokomo3 providers
Gastroenterology in Elkhart3 providers

Gastroenterology providers in Indiana

Listed by city, largest first. 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. Mazen Alsatie, MD
Indianapolis, IN · $699 in drug and device payments (2025) · Telehealth · (317) 415-6580
Dr. Meera Iyengar
Indianapolis, IN · $497 in drug and device payments (2025) · (317) 948-9899
Dr. Megan Walker, M.D.
Indianapolis, IN · $135 in drug and device payments (2025) · Telehealth · (317) 944-0980
Dr. Michael Elmore, M.D.
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 865-2955
Dr. Michael Morelli, M.D.
Indianapolis, IN · $745 in drug and device payments (2025) · (317) 865-2955
Dr. Michael Sai Lai Sey, M.D.
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 312-2160
Dr. Mohammad Al-haddad, MD
Indianapolis, IN · $4,027 in drug and device payments (2025) · (317) 944-0980
Dr. Mohammed Abu-rumaileh, MD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 278-4427
Dr. Moiz Ahmed, M.D.
Indianapolis, IN · $5,004 in drug and device payments (2025) · Telehealth · (317) 887-7771
Dr. Nabil Fayad, M.D.
Indianapolis, IN · No drug or device payments recorded (2025) · (888) 484-3258
Dr. Naga Chalasani, MD
Indianapolis, IN · $29,860 in drug and device payments (2025) · (317) 944-0980
Dr. Nasir Saleem, MD
Indianapolis, IN · $571 in drug and device payments (2025) · (317) 944-0980
Dr. Nicholas Rogers, MD
Indianapolis, IN · No drug or device payments recorded (2025) · Telehealth · (317) 944-5000
Dr. Nikhil Martis, M.D.
Indianapolis, IN · $48 in drug and device payments (2025) · (317) 355-1144
Dr. Ninad Shah, MD
Indianapolis, IN · $66 in drug and device payments (2025) · (317) 578-2600
Dr. Nour Hamade, M.D.
Indianapolis, IN · $1,680 in drug and device payments (2025) · Telehealth · (317) 278-4427
Dr. Olajide Odelowo, MD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 962-6300
Dr. Paul Haynes, M.D.
Indianapolis, IN · $1,506 in drug and device payments (2025) · (317) 865-2955
Dr. Rachael Hagen, DO
Indianapolis, 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, MD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 872-7396
Dr. Robert Callon, MD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 872-7396
Dr. Robert Vincent, MD
Indianapolis, IN · $1,361 in drug and device payments (2025) · (317) 865-2955
Dr. Robert Whitmore, MD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 962-6300
Dr. Sakib Khalid, MD
Indianapolis, IN · $121 in drug and device payments (2025) · Telehealth · (317) 962-3600
Dr. Samer Gawrieh, MD
Indianapolis, IN · $21,000 in drug and device payments (2025) · Telehealth · (317) 944-5000
Dr. Samreen Basra
Indianapolis, 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, MD
Indianapolis, IN · $249 in drug and device payments (2025) · (317) 278-4427
Dr. Seth Moore, MD
Indianapolis, 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, MD
Indianapolis, 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, MD
Indianapolis, 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, MD
Indianapolis, 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, MD
Indianapolis, 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, MD
Indianapolis, IN · No drug or device payments recorded (2025) · Telehealth · (317) 355-1144
Dr. Wen Boynton, MD
Indianapolis, 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, MD
Indianapolis, IN · $545 in drug and device payments (2025) · (317) 944-3332
Dr. Yunwei Wang, M.D., PH.D
Indianapolis, IN · $787 in drug and device payments (2025) · Telehealth · (317) 415-6580
Dr. Zhibo An, MD., PHD
Indianapolis, IN · No drug or device payments recorded (2025) · (317) 944-0980

Conditions Gastroenterology providers in 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 Indiana?

There are 371 Gastroenterology providers with active NPI records practicing in Indiana, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Indiana offer telehealth?

Yes. 54 of the 371 Gastroenterology providers in Indiana (about 15%) report offering telehealth services in CMS data.

Which cities in Indiana have the most Gastroenterology providers?

Indianapolis (133), Fort Wayne (40), Munster (17) have the highest concentration of Gastroenterology providers in Indiana.

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

243 of 371 Gastroenterology providers in Indiana (65%) 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 Indiana treat?

Gastroenterology providers 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 counts and profiles 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.

Do most Gastroenterologists in Indiana work in independent practices or large health systems?

Among 250 Gastroenterologists in Indiana enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Indiana work at?

According to CMS facility affiliation records, the Indiana hospitals where the most Gastroenterologists hold privileges are Indiana University Health in Indianapolis; Indiana University Health North Hospital in Carmel; Parkview Regional Medical Center in Fort Wayne.

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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. Are you a Gastroenterology in Indiana? Get featured.