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Gastroenterologists in Illinois

Data updated monthly · Last refresh October 2026

886 Gastroenterology providers practice in Illinois, including 264 (30%) offering telehealth. The largest concentration is in Chicago. 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.

886providers
264telehealth
Chicagotop city

Gastroenterology by city in Illinois

Choose a city to see providers there.

Gastroenterology in Chicago278 providers
Gastroenterology in Maywood39 providers
Gastroenterology in Springfield25 providers
Gastroenterology in Rockford25 providers
Gastroenterology in Aurora23 providers
Gastroenterology in Naperville23 providers
Gastroenterology in Peoria19 providers
Gastroenterology in Evanston18 providers
Gastroenterology in Niles18 providers
Gastroenterology in Glenview17 providers
Gastroenterology in Oak Lawn17 providers
Gastroenterology in Des Plaines15 providers
Gastroenterology in Arlington Heights15 providers
Gastroenterology in Elmhurst15 providers
Gastroenterology in Elgin13 providers
Gastroenterology in Gurnee11 providers
Gastroenterology in Hazel Crest11 providers
Gastroenterology in Libertyville11 providers
Gastroenterology in Lake Barrington10 providers
Gastroenterology in Winfield10 providers
Gastroenterology in Bourbonnais9 providers
Gastroenterology in Decatur9 providers
Gastroenterology in Hoffman Estates9 providers
Gastroenterology in Olympia Fields9 providers

Gastroenterology providers in Illinois

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. Peter Kahrilas, MD
Chicago, IL · $2,288 in drug and device payments (2025) · (312) 695-9797
Dr. Purnima Balachandran, MD
Chicago, IL · $31 in drug and device payments (2025) · (312) 569-8387
Dr. Rachel Lombard, MD
Chicago, IL · $43 in drug and device payments (2025) · (312) 996-2933
Dr. Rana Abraham, M.D., M.S.
Chicago, IL · $118 in drug and device payments (2025) · Telehealth · (312) 996-6651
Dr. Richard Benya
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
Dr. Richard Bone, M.D.
Chicago, IL · $7,038 in drug and device payments (2025) · (773) 445-3500
Dr. Richard Green, MD
Chicago, IL · $9,618 in drug and device payments (2025) · Telehealth · (312) 695-5620
Dr. Rima Shobar, MD
Chicago, IL · $316 in drug and device payments (2025) · (773) 543-3250
Dr. Robert Carroll
Chicago, IL · $366 in drug and device payments (2025) · (866) 600-2273
Dr. Robert Kavitt
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (888) 824-0200
Dr. Robert Pintozzi, M.D.
Chicago, IL · $253 in drug and device payments (2025) · (773) 445-3500
Dr. Robin Fintel, M.D.
Chicago, IL · $666 in drug and device payments (2025) · Telehealth · (312) 926-1600
Dr. Rohit Agrawal, MD
Chicago, IL · $4,414 in drug and device payments (2025) · (312) 864-6000
Dr. Ronak Patel, M.D.
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 695-5398
Dr. Roni Weisshof, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 834-1206
Dr. Ross Mcmillan, MD
Chicago, IL · $9 in drug and device payments (2025) · (888) 824-0200
Dr. Ruchi Patel, M.D.
Chicago, IL · $436 in drug and device payments (2025) · (630) 335-0710
Dr. Russell Brown, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
Dr. Russell Cohen
Chicago, IL · $58,624 in drug and device payments (2025) · Telehealth · (888) 824-0200
Dr. Russell Yanofsky, MDCM
Chicago, IL · $80,000 in drug and device payments (2025) · (773) 702-6073
Dr. Saad Aziz, D.O.
Chicago, IL · $738 in drug and device payments (2025) · Telehealth · (630) 889-9889
Dr. Saad Saffo, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-5620
Dr. Salina Lee, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 942-5861
Dr. Samuel Castillo, M.D.
Chicago, IL · $310 in drug and device payments (2025) · (773) 342-6800
Dr. Samuel Castillo, M.D.
Chicago, IL · $1,683 in drug and device payments (2025) · (773) 342-6800
Dr. Samuel Krabbenhoft, MD, PHD
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Samuel Tesfay, M.D.
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 335-1609
Dr. Sandra Naffouj, MD
Chicago, IL · $200 in drug and device payments (2025) · Telehealth · (866) 600-2273
Dr. Sarah Park, MD
Chicago, IL · $100 in drug and device payments (2025) · (773) 702-2950
Dr. Saurabh Kapur, MD
Chicago, IL · $200,190 in drug and device payments (2025) · Telehealth · (312) 695-6868
Dr. Seema Gandhi, MD
Chicago, IL · $4,374 in drug and device payments (2025) · (312) 942-5861
Dr. Seth Shaffer, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 795-7624
Dr. Sharif Murphy, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 567-2250
Dr. Shikha Mangla, M.D.
Chicago, IL · $148 in drug and device payments (2025) · (773) 702-1000
Dr. Shilpa Kailas, M.D.
Chicago, IL · $228 in drug and device payments (2025) · Telehealth · (773) 702-1000
Dr. Shintaro Akiyama, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-2950
Dr. Sonia Kupfer
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (888) 824-0200
Dr. Sophie Brigstocke, MD
Chicago, IL · $31 in drug and device payments (2025) · Telehealth · (312) 695-5620
Dr. Sreedevi Atluri, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-5620
Dr. Srinadh Komanduri, M.D.
Chicago, IL · $19,776 in drug and device payments (2025) · Telehealth · (312) 942-5861
Dr. Sriya Muralidharan, MD
Chicago, IL · $52 in drug and device payments (2025) · (773) 907-3038
Dr. Stanislaw Maslanka, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 631-9520
Dr. Stavros Doumas, MD
Chicago, IL · $161 in drug and device payments (2025) · (312) 695-5398
Dr. Stephen Chang, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 695-5620
Dr. Stephen Hanauer, MD
Chicago, IL · $260,450 in drug and device payments (2025) · (312) 695-5620
Dr. Stephen Steiner, M.D.
Chicago, IL · $428 in drug and device payments (2025) · (773) 368-3164
Dr. Steven Flamm, MD
Chicago, IL · $339,295 in drug and device payments (2025) · Telehealth · (312) 695-4837
Dr. Sudarshan Paramsothy, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-6840
Dr. Sujatha Kailas, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 335-0180
Dr. Suraj Sharma, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 795-7624

Conditions Gastroenterology providers in Illinois 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 Illinois?

There are 886 Gastroenterology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Illinois offer telehealth?

Yes. 264 of the 886 Gastroenterology providers in Illinois (about 30%) report offering telehealth services in CMS data.

Which cities in Illinois have the most Gastroenterology providers?

Chicago (278), Maywood (39), Springfield (25) have the highest concentration of Gastroenterology providers in Illinois.

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

554 of 886 Gastroenterology providers in Illinois (63%) 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 Illinois 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 Illinois work in independent practices or large health systems?

Among 598 Gastroenterologists in Illinois enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 9% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Illinois work at?

According to CMS facility affiliation records, the Illinois hospitals where the most Gastroenterologists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northwestern Memorial Hospital in Chicago; Northshore University Healthsystem - Evanston Hospital in Evanston.

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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 Illinois? Get featured.