Internal Medicine Doctors in Illinois
Data updated monthly · Last refresh October 2026
7,189 Internal Medicine providers practice in Illinois, including 1,260 (18%) 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.
7,189providers
1,260telehealth
Chicagotop city
Internal Medicine by city in Illinois
Choose a city to see providers there.
Internal Medicine 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. Adrianna Chauncey, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(773) 253-3933 Dr. Afshan Mohiuddin, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Alan Rosenberg, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 386-0112 Dr. Alejandra Campos Momney, M.D.Oak Park, IL · $3,694 in drug and device payments (2025) ·
(708) 386-9600 Dr. Allan Muehrcke, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 848-4630 Dr. Ammu SusheelaOak Park, IL · $192 in drug and device payments (2025) ·
(954) 639-1573 Dr. Angela Aboutalib, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Anita Ong, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 848-9390 Dr. Antonio Barrios, M.D.Oak Park, IL · $34 in drug and device payments (2025) ·
(708) 763-1222 Dr. Ashok MainiOak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-6908 Dr. Augusto GuevaraOak Park, IL · No drug or device payments recorded (2025) ·
(773) 253-3933 Dr. Bernard Coniglio, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 660-2240 Dr. Bharat Parekh, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 466-6227 Dr. Bonnie Nowakowski, D.O.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 383-9300 Dr. Bryan Moline, M.D.Oak Park, IL · $92 in drug and device payments (2025) · Telehealth ·
(708) 660-2240 Dr. Calvin Meineke, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 383-7776 Dr. Catalina Grija, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 358-1299 Dr. Catherine Koop, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 660-2240 Dr. Charles Johnston, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 948-7772 Dr. Christopher Oustwani, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. David Schatz, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-2536 Dr. Dheeraj Mahajan, M.D.Oak Park, IL · $2,500 in drug and device payments (2025) ·
(708) 486-2700 Dr. Don Williams, MDOak Park, IL · No drug or device payments recorded (2025) ·
(331) 221-9001 Dr. Emelita Co, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 327-1380 Dr. Emily Beamer, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 628-0600 Dr. Eric Solnin, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 660-4636 Dr. Esteban Linarez, M.D.Oak Park, IL · $223 in drug and device payments (2025) ·
(708) 613-4140 Dr. Grace George, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Henish Bhansali, MD, FACP, DIPL. ABOMOak Park, IL · No drug or device payments recorded (2025) ·
(708) 745-5744 Dr. Hussam Eskandafi, M.DOak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Izuchukwu Nwafo, M.DOak Park, IL · No drug or device payments recorded (2025) ·
(708) 660-9423 Dr. James Miller, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 848-7673 Dr. Janet Forbes, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 524-2121 Dr. Janis Wiener, MDOak Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 386-3000 Dr. Jyotsna Bhatt, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(798) 383-9981 Dr. Kalpesh Patel, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-6908 Dr. Karen Weinstein, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 848-4630 Dr. Katarzyna Kielczyk, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Keke Uzokwe, MDOak Park, IL · $28 in drug and device payments (2025) ·
(708) 351-9743 Dr. Khurram Khan, M.D.Oak Park, IL · $54 in drug and device payments (2025) ·
(708) 763-6908 Dr. Kristen Tobin Vealey, M.D.Oak Park, IL · $116 in drug and device payments (2025) · Telehealth ·
(708) 745-5744 Dr. Marie Feldman, MDOak Park, IL · No drug or device payments recorded (2025) ·
(708) 524-2121 Dr. Michael SadekOak Park, IL · No drug or device payments recorded (2025) ·
(708) 763-1222 Dr. Michele Carlon, M.D.Oak Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 628-0600 Dr. Mohammad Khan, M.D.Oak Park, IL · $123 in drug and device payments (2025) ·
(708) 660-5017 Dr. Mujtaba Hussain, MBBSOak Park, IL · No drug or device payments recorded (2025) ·
(708) 486-2700 Dr. Nancy Stewart, D.O.Oak Park, IL · $28 in drug and device payments (2025) · Telehealth ·
(708) 763-1447 Dr. Rita Gupta, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 848-7673 Dr. Sejal Shah, M.D.Oak Park, IL · No drug or device payments recorded (2025) ·
(708) 660-5017 Dr. Seline RajanOak Park, IL · No drug or device payments recorded (2025) ·
(708) 486-2700 Conditions Internal Medicine providers in Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Illinois?There are 7,189 Internal Medicine providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Illinois offer telehealth?Yes. 1,260 of the 7,189 Internal Medicine providers in Illinois (about 18%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Internal Medicine providers?Chicago (2,841), Maywood (252), Springfield (196) have the highest concentration of Internal Medicine providers in Illinois.
How many Internal Medicine providers in Illinois received drug or device company payments?2,137 of 7,189 Internal Medicine providers in Illinois (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Illinois treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Internal Medicine Doctors in Illinois work in independent practices or large health systems?Among 3,097 Internal Medicine Doctors in Illinois enrolled in Medicare, 22% bill through a solo or small practice with fewer than 10 clinicians, 10% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Internal Medicine Doctors hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northshore University Healthsystem - Evanston Hospital in Evanston; Northwestern Memorial Hospital in Chicago.
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