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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. Zuie Wakade
Des Plaines, IL · $60 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Fadi Mustapha, M.D.
Dixon, IL · No drug or device payments recorded (2025) · (815) 285-5843
Dr. Lionel Wong, M.D.
Dixon, IL · No drug or device payments recorded (2025) · (815) 285-5843
Dr. Anshuman Chawla, M.D.
Downers Grove, IL · $13,082 in drug and device payments (2025) · Telehealth · (630) 434-9312
Dr. David Gerard, M.D.
Downers Grove, IL · $488 in drug and device payments (2025) · (630) 969-1167
Dr. James Clark, M.D.
Downers Grove, IL · $1,160 in drug and device payments (2025) · Telehealth · (630) 434-9312
Dr. John Holden, MD
Downers Grove, IL · No drug or device payments recorded (2025) · (630) 969-1167
Dr. Manfred Raiser, M.D.
Downers Grove, IL · No drug or device payments recorded (2025) · (630) 969-1167
Dr. Rockford Yapp, M.D., M.P.H.
Downers Grove, IL · $159,498 in drug and device payments (2025) · Telehealth · (630) 434-9312
Dr. Saeed Zamir, M.D.
Du Quoin, IL · No drug or device payments recorded (2025) · (618) 542-2146
Dr. David Lotsoff, M.D.
Edwardsville, IL · $471 in drug and device payments (2025) · (618) 800-4595
Dr. Mei Huang, M.D.
Edwardsville, IL · $253 in drug and device payments (2025) · (618) 800-4595
Dr. Howard Chodash, M.D.
Effingham, IL · No drug or device payments recorded (2025) · Telehealth · (217) 540-2350
Dr. Nitin Kumar, MD
Effingham, IL · $1,039 in drug and device payments (2025) · (217) 540-2350
Dr. Gregory Gambla, DO
Elgin, IL · $955 in drug and device payments (2025) · (847) 888-1300
Dr. James Stinneford, MD
Elgin, IL · No drug or device payments recorded (2025) · (847) 888-1300
Dr. Jennifer Dorfmeister, M.D.
Elgin, IL · $57 in drug and device payments (2025) · (847) 888-1300
Dr. Joseph Losurdo, MD
Elgin, IL · $27 in drug and device payments (2025) · Telehealth · (847) 888-1300
Dr. Mary Dement, DO
Elgin, IL · $140 in drug and device payments (2025) · (847) 888-1300
Dr. Obaida Dairi, DO
Elgin, IL · No drug or device payments recorded (2025) · (224) 359-0123
Dr. Omar Alsalman, MD
Elgin, IL · $28 in drug and device payments (2025) · (224) 359-0123
Dr. Rajesh Pillai, MD
Elgin, IL · $25 in drug and device payments (2025) · Telehealth · (847) 888-1300
Dr. Sonia Godambe, M.D.
Elgin, IL · $77 in drug and device payments (2025) · Telehealth · (847) 888-1300
Dr. Sunil Joseph, MD
Elgin, IL · $1,351 in drug and device payments (2025) · Telehealth · (847) 888-1300
Dr. Tim Hossain, MD
Elgin, IL · No drug or device payments recorded (2025) · (847) 888-1300
Dr. Wei Sun, M.D.
Elgin, IL · $179 in drug and device payments (2025) · (847) 888-1300
Dr. William Levis, M.D.
Elgin, IL · $101 in drug and device payments (2025) · (847) 888-1300
Dr. Adelina Hung, MD
Elmhurst, IL · $16,221 in drug and device payments (2025) · (630) 717-2600
Dr. Allison Rzepczynski, MD
Elmhurst, IL · $141 in drug and device payments (2025) · (331) 221-9003
Dr. Arouj Bajwa, MD
Elmhurst, IL · $89 in drug and device payments (2025) · (331) 221-9003
Dr. Ashish Arora, MD
Elmhurst, IL · $631 in drug and device payments (2025) · Telehealth · (630) 717-2600
Dr. Atena Lodhi, MD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Christopher Boutin, MD
Elmhurst, IL · $272 in drug and device payments (2025) · Telehealth · (331) 221-9003
Dr. Danish Shahab, M.D.
Elmhurst, IL · $415 in drug and device payments (2025) · (630) 717-2600
Dr. Elizabeth Barczynski, MD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Eric Montminy, MD
Elmhurst, IL · $2,121 in drug and device payments (2025) · Telehealth · (331) 221-9003
Dr. George Stathopoulos, MD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Jason Kramer, M.D.
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Karen Ma, MD, PHARMD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Michael Greenspan, MD
Elmhurst, IL · No drug or device payments recorded (2025) · Telehealth · (331) 221-9003
Dr. Patrick Lynch, MD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Shakthi Kumar, MD
Elmhurst, IL · No drug or device payments recorded (2025) · (331) 221-9003
Dr. Andrew Moore, MD
Evanston, IL · $2,435 in drug and device payments (2025) · Telehealth · (847) 570-2000
Dr. Anuhya Gampa, M.D.
Evanston, IL · $3,592 in drug and device payments (2025) · Telehealth · (847) 570-2000
Dr. Blake Jones, M.D.
Evanston, IL · $941 in drug and device payments (2025) · Telehealth · (847) 657-1900
Dr. Daksesh Patel, D.O.
Evanston, IL · $199,670 in drug and device payments (2025) · Telehealth · (847) 491-9020
Dr. Eugene Yen, MD
Evanston, IL · $59,840 in drug and device payments (2025) · Telehealth · (847) 657-1900
Dr. Farhan Quader, MD
Evanston, IL · $1,427 in drug and device payments (2025) · Telehealth · (847) 657-1900
Dr. Harsh Gupta, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-9020
Dr. John Vainder, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-9020

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.

Related reading on HealthcareDiscovery.AI

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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.