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. Meredith Belber, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-8282 Dr. Meredith KlineChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Merle Diamond, MDChicago, IL · $50,699 in drug and device payments (2025) · Telehealth ·
(773) 388-6390 Dr. Micaela Bowers, MDChicago, IL · No drug or device payments recorded (2025) ·
(126) 663-4943 Dr. Micah ProchaskaChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Michael Ash, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(816) 201-4969 Dr. Michaela WhitelawChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-0312 Dr. Michael Berger, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 588-7733 Dr. Michael Charles, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Michael ChenChicago, IL · No drug or device payments recorded (2025) ·
(312) 566-4545 Dr. Michael Chen, M.D., PH.D. Dr. Michael Clarke, MDChicago, IL · $262 in drug and device payments (2025) ·
(773) 702-6840 Dr. Michael Cui, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 947-0246 Dr. Michael Davenport, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 285-5902 Dr. Michael Davidovich, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 864-6912 Dr. Michael Ellenbogen, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-5924 Dr. Michael Grendon, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 472-5803 Dr. Michael HabtemariamChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Michael HammondChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Michael HeffernanChicago, IL · $1,055 in drug and device payments (2025) ·
(312) 942-7100 Dr. Michael Hoffman, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-5090 Dr. Michael Lee, MDChicago, IL · $1,385 in drug and device payments (2025) ·
(312) 926-6000 Dr. Michael Mcdonnell, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 585-1955 Dr. Michael Nabolotny, MDChicago, IL · $112 in drug and device payments (2025) ·
(773) 775-1900 Dr. Michael Plunkett, MDChicago, IL · $150 in drug and device payments (2025) ·
(773) 925-1557 Dr. Michael Puisis, D.O.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 869-3658 Dr. Michael Richman, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 389-3000 Dr. Michael SiegelChicago, IL · $162 in drug and device payments (2025) ·
(886) 600-2273 Dr. Michael Stefancic, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 553-9620 Dr. Michael Stewart, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-6146 Dr. Michael Sun, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Michael Zielinski, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 944-6677 Dr. Michal Gorski, MDChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Michele Kannin, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-3100 Dr. Michel Gowhari, D.O.Chicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Michelle Chan, DOChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Michelle CooleyChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Michelle Cora Soto, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 257-5701 Dr. Michelle NwachukwuChicago, IL · $217 in drug and device payments (2025) ·
(312) 966-2933 Dr. Michelle Thommi, DO, MSChicago, IL · No drug or device payments recorded (2025) ·
(773) 989-6202 Dr. Michelle Zeng, M.DChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 808-0880 Dr. Miguel Antonatos, M.D. Dr. Miguel Saldana, DOChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Mihai TruicaChicago, IL · No drug or device payments recorded (2025) ·
(312) 503-7975 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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