HealthcareDiscovery.AI / Doctors / Illinois / Gastroenterology

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. Susan Mikolaitis, R.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 942-5861
Dr. Tenzin Choden, M.D.
Chicago, IL · $101 in drug and device payments (2025) · Telehealth · (773) 795-1824
Dr. Terrance Rodrigues, MD
Chicago, IL · $1,217 in drug and device payments (2025) · Telehealth · (312) 695-5620
Dr. Theodor Griggs, M.D., PH.D.
Chicago, IL · $21 in drug and device payments (2025) · (952) 797-3323
Dr. Thomas Cullins, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 874-8388
Dr. Thomas Layden, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 704-2885
Dr. Thomas Lee, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 695-4837
Dr. Thomas Lu, MD, PHD
Chicago, IL · $771 in drug and device payments (2025) · (773) 702-1000
Dr. Thomas Nealis, M.D.
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 695-5620
Dr. Timothy Toomey, MD
Chicago, IL · $548 in drug and device payments (2025) · (773) 702-6073
Dr. Uzma Siddiqui
Chicago, IL · $31,415 in drug and device payments (2025) · Telehealth · (888) 824-0200
Dr. Veena Nannegari, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 996-7059
Dr. Vijaya Rao
Chicago, IL · $225 in drug and device payments (2025) · (888) 824-0200
Dr. Vishal Desai, M.D.
Chicago, IL · $1,303 in drug and device payments (2025) · (630) 717-2600
Dr. Vivian Lee, MD, MSC
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (773) 702-1000
Dr. Wanchai Sangchantr, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 665-3084
Dr. William Markey, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 944-1247
Dr. William Riles, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 864-7344
Dr. Wojciech Blogowski, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 942-5861
Dr. Yasmin Gerais
Chicago, IL · No drug or device payments recorded (2025) · (773) 665-3000
Dr. Yichun Fu
Chicago, IL · $132 in drug and device payments (2025) · Telehealth · (773) 795-1824
Dr. Yolanda Lalyre-rodriguez, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 772-1212
Dr. Yui Chan, M.D.
Chicago, IL · $102 in drug and device payments (2025) · (312) 842-9888
Dr. Zoe Post, MD MSC
Chicago, IL · $2,301 in drug and device payments (2025) · (312) 926-2000
Dr. Julia Leblanc, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · (779) 220-5500
Dr. Venkat Sekar, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 477-4772
Dr. Khondker Islam, MD
Decatur, IL · $2,479 in drug and device payments (2025) · (217) 329-1000
Dr. Michael Maitar, MD
Decatur, IL · $881 in drug and device payments (2025) · (217) 876-2756
Dr. Nathan Pyle, D.O.
Decatur, IL · $596 in drug and device payments (2025) · (217) 876-2756
Dr. Richard Dilorenzo, DO
Decatur, IL · $91 in drug and device payments (2025) · (217) 329-1000
Dr. Stephen Holland, MD
Decatur, IL · No drug or device payments recorded (2025) · (217) 872-2930
Dr. Sudhakar Sheth, MD
Decatur, IL · No drug or device payments recorded (2025) · (217) 875-2640
Dr. Victor Eloy, MD
Decatur, IL · No drug or device payments recorded (2025) · (217) 875-2640
Dr. Vikram Barpujari, M.D.
Decatur, IL · No drug or device payments recorded (2025) · (217) 464-1220
Dr. Vikram Kotwal, M.D
Decatur, IL · $6,713 in drug and device payments (2025) · (217) 464-1220
Dr. David Manuel, MD
Dekalb, IL · No drug or device payments recorded (2025) · Telehealth · (630) 561-5566
Dr. Aashesh Verma, M.D.
Des Plaines, IL · $444 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Abdullah Abdussalam
Des Plaines, IL · $888 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Allen Rosenbaum, MD
Des Plaines, IL · $1,565 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Amar Naik, M.D.
Des Plaines, IL · $323,562 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Benjamin Bick, MD
Des Plaines, IL · $17 in drug and device payments (2025) · (312) 767-3244
Dr. Harsh Patel
Des Plaines, IL · $176 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Jaimin Amin, MD
Des Plaines, IL · $2,082 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Krishna Patel, DO
Des Plaines, IL · $3,599 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Krupa Shah
Des Plaines, IL · $380 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Mani Mahdavian, MD
Des Plaines, IL · $2,213 in drug and device payments (2025) · (847) 290-3800
Dr. Mukund Venu, M.D.
Des Plaines, IL · $29,793 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Neil Gupta, MD
Des Plaines, IL · $341 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Nikhil Shastri, MD
Des Plaines, IL · $1,445 in drug and device payments (2025) · Telehealth · (312) 767-3244
Dr. Steven Hendler
Des Plaines, IL · No drug or device payments recorded (2025) · Telehealth · (312) 767-3244

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

Gastroenterology in all 50 states Search all 886 in the directory Ask Zach for help choosing

Related

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. Are you a Gastroenterology in Illinois? Get featured.