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Gastroenterology in Chicago, Illinois

Data updated monthly · Last refresh September 2026

278 Gastroenterology providers practice in Chicago, and 57% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Chicago

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. Parambir Dulai, M.B.B.S
Chicago, IL · $180,399 in drug and device payments (2025) · Telehealth · (312) 695-5620
Dr. Parth Thaker, MD
Chicago, IL · $43 in drug and device payments (2025) · (504) 919-0442
Dr. Paul Fahrenbach, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 631-2728
Dr. Paul Schlesinger
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
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 · $1,683 in drug and device payments (2025) · (773) 342-6800
Dr. Samuel Castillo, M.D.
Chicago, IL · $310 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

Conditions Gastroenterology providers in Chicago, 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 Chicago, Illinois?

There are 278 Gastroenterology providers with active NPI records practicing in Chicago, according to federal NPPES data refreshed monthly.

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

159 of 278 (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 Chicago treat?

Gastroenterology providers in Chicago 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 Chicago Gastroenterology across Illinois

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.