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. Jonathan Dietrich, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Jonathan Dowd, MDChicago, IL · $216 in drug and device payments (2025) ·
(773) 795-0232 Dr. Jonathan Lai, PHARMDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Jonathan Matthews, MD, PHDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Jonathan Radosta, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 413-3627 Dr. Jonathan ReynoldsChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8630 Dr. Jonathan WatsonChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Jonnelle Sweetner, M.D.Chicago, IL · $114 in drug and device payments (2025) ·
(312) 572-1200 Dr. Joongyu Song, MDChicago, IL · No drug or device payments recorded (2025) ·
(872) 588-3000 Dr. Jordana Friedman, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8630 Dr. Jordan Zaid, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 842-4200 Dr. Jorge Benavides Vasquez, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 878-8700 Dr. Jorge Kurganoff, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 292-2700 Dr. Jose Balsa Guerrero, MD Dr. Jose Castellanos, MDChicago, IL · $122 in drug and device payments (2025) · Telehealth ·
(312) 908-8163 Dr. Josef Miller, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1447 Dr. Joselita Manalac, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 384-4933 Dr. Jose Luis Paredes Sosa, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Jose Perez Porcel, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 296-5944 Dr. Joseph BallardChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Joseph FuchsChicago, IL · $146 in drug and device payments (2025) ·
(312) 926-2000 Dr. Joseph Hennessy, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 942-3192 Dr. Joseph Horowitz, MDChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Joseph Kekrebesi, MD, MPHChicago, IL · No drug or device payments recorded (2025) ·
(203) 627-3529 Dr. Joseph LesusChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Joseph Musto, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(888) 352-7874 Dr. Joseph Pundy, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 622-0769 Dr. Joseph Wynne, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Jose Quiroga, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Joshua Anicetti, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Joshua Arnold, MD, MSChicago, IL · $1,001 in drug and device payments (2025) ·
(866) 600-2273 Dr. Joshua Dein, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Joshua Hack, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Joshua Ibarra, DOChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Joshua Owen, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-6000 Dr. Joshua Rosen, MDChicago, IL · No drug or device payments recorded (2025) ·
(708) 312-0360 Dr. Joshua Sink, MDChicago, IL · $131 in drug and device payments (2025) ·
(312) 926-2000 Dr. Joshua Thariath, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Joshua WangChicago, IL · No drug or device payments recorded (2025) ·
(773) 665-3000 Dr. Joshua Wortsman, MDChicago, IL · $242 in drug and device payments (2025) ·
(773) 543-9987 Dr. Joshua YemChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Josh Weinberg, MDChicago, IL · $573 in drug and device payments (2025) ·
(773) 702-6840 Dr. Josune Iglesias, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 563-2875 Dr. Joy Bressler, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 750-0286 Dr. Joyce Lucidivine Ngouchet Nouhossi, MDChicago, IL · $517 in drug and device payments (2025) ·
(773) 702-6840 Dr. Joyce Tang, M.D.Chicago, IL · $242 in drug and device payments (2025) · Telehealth ·
(773) 702-1111 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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