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. Laura Kulik, MDChicago, IL · $9,938 in drug and device payments (2025) · Telehealth ·
(312) 695-9797 Dr. Laura Yun, M.D.Chicago, IL · $74 in drug and device payments (2025) · Telehealth ·
(857) 891-1575 Dr. Lawrence Gluskin, MDChicago, IL · $989 in drug and device payments (2025) · Telehealth ·
(773) 248-1616 Dr. Leila Kia, MDChicago, IL · $119 in drug and device payments (2025) · Telehealth ·
(312) 926-2000 Dr. Lyn Sue KahngChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Maham Lodhi, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-5861 Dr. Majd Aboona, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Malek Ayoub, MDChicago, IL · $101 in drug and device payments (2025) ·
(773) 795-1824 Dr. Manish Dhamija, M.D.Chicago, IL · $2,122 in drug and device payments (2025) · Telehealth ·
(773) 281-5818 Dr. Maria El Gemayel, MDChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Maria Ferreira, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-5620 Dr. Mark Demeo, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-5861 Dr. Marshall Sparberg, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 944-7080 Dr. Mary Atten, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Mary Biglin, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 996-6651 Dr. Mary Rinella, MDChicago, IL · $81,361 in drug and device payments (2025) · Telehealth ·
(312) 695-9797 Dr. Matthew Eganhouse, MDChicago, IL · $617 in drug and device payments (2025) ·
(312) 996-2933 Dr. Melchor Demetria, M.D.Chicago, IL · $175 in drug and device payments (2025) ·
(312) 864-3251 Dr. Melvin Goldstein, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 337-1556 Dr. Meredith Yellen, MDChicago, IL · $193 in drug and device payments (2025) ·
(773) 795-1824 Dr. Mervyn Weis, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 769-4411 Dr. Michael Brown, M.D.Chicago, IL · $162 in drug and device payments (2025) · Telehealth ·
(312) 942-5861 Dr. Michael Chiorean, MDChicago, IL · $279,278 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Michael Flicker, M.D.Chicago, IL · $2,257 in drug and device payments (2025) · Telehealth ·
(773) 281-5818 Dr. Michael Ruchim, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 503-6000 Dr. Mohammad Fayyaz, MDChicago, IL · $135 in drug and device payments (2025) ·
(312) 996-3800 Dr. Mohammad Khan, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 224-8764 Dr. Mona Lalehzari, MDChicago, IL · $1,926 in drug and device payments (2025) · Telehealth ·
(773) 281-5818 Dr. Muhammed Alikhan, MDChicago, IL · $214 in drug and device payments (2025) ·
(312) 563-2782 Dr. Nabeel Wahid, MDChicago, IL · $492 in drug and device payments (2025) ·
(312) 926-2000 Dr. Nathaniel Cohen, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6073 Dr. Navneet Natt, MDChicago, IL · No drug or device payments recorded (2025) ·
(647) 989-4248 Dr. Neal MehtaChicago, IL · $18,149 in drug and device payments (2025) ·
(312) 942-5861 Dr. Neil SenguptaChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Nidhi Singh, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-6000 Dr. Nikunj Shah, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 413-9037 Dr. Nimrod Deiss-yehiely, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-1000 Dr. Nina GuptaChicago, IL · $228 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Nirmala Gonsalves, MDChicago, IL · $66,333 in drug and device payments (2025) · Telehealth ·
(312) 695-4022 Dr. Noa ClevelandChicago, IL · $6,455 in drug and device payments (2025) ·
(888) 824-0200 Dr. Nolan Faust, MDChicago, IL · $2,444 in drug and device payments (2025) · Telehealth ·
(773) 907-3038 Dr. Ofer Fass, MDChicago, IL · $3,329 in drug and device payments (2025) · Telehealth ·
(312) 695-5620 Dr. Omar Ahmed, MBBCHChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-7598 Dr. Omar Jamil, MDChicago, IL · $28 in drug and device payments (2025) · Telehealth ·
(773) 702-3075 Dr. Omar Nehme, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5861 Dr. Ophir Gilad, MDChicago, IL · $101 in drug and device payments (2025) ·
(773) 795-1824 Dr. Oscar Rivas Chicas, M.D. 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
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
