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. Dana Peres Edelson, M.D., MSChicago, IL · No drug or device payments recorded (2025) ·
(773) 834-2191 Dr. Dana Wood, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-7443 Dr. Daneyal SyedChicago, IL · $524 in drug and device payments (2025) ·
(312) 942-5000 Dr. Dania JaamourChicago, IL · No drug or device payments recorded (2025) ·
(312) 503-7975 Dr. Danica Milenkovich, M.D.Chicago, IL · $119 in drug and device payments (2025) ·
(312) 922-3011 Dr. Daniela Anderson, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-0309 Dr. Daniel ArndorferChicago, IL · $246 in drug and device payments (2025) ·
(312) 926-2000 Dr. Daniela Rodriguez Gonzalez, DOChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Daniela ValerioChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Daniel Berger, M.D.Chicago, IL · $326 in drug and device payments (2025) · Telehealth ·
(773) 296-2400 Dr. Daniel BianchiChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-4200 Dr. Daniel Bisono, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Daniel CanterChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-0312 Dr. Daniel CatenacciChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Daniel Cesario, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Daniel Derman, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-3642 Dr. Daniel Dunham, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-8630 Dr. Daniel Evans, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8630 Dr. Daniel Garrison, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 275-7700 Dr. Daniel Gold, MDChicago, IL · $107 in drug and device payments (2025) ·
(773) 702-1000 Dr. Daniel Hindmand, DOChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Daniel Klarr, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1000 Dr. Daniel LangChicago, IL · No drug or device payments recorded (2025) ·
(312) 569-6259 Dr. Daniel Leary, MD, MAChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Danielle Collons, MDChicago, IL · $802 in drug and device payments (2025) ·
(866) 600-2273 Dr. Danielle MillanChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Danielle Pierro, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-5111 Dr. Daniel Litoff, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 880-0320 Dr. Daniel Okamoto, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-4200 Dr. Daniel Olivieri, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-2731 Dr. Daniel Senseng, M.D.Chicago, IL · $125 in drug and device payments (2025) ·
(312) 842-7117 Dr. Daniel Vicencio, M.D.Chicago, IL · $507 in drug and device payments (2025) ·
(312) 567-6691 Dr. Danish WaqarChicago, IL · No drug or device payments recorded (2025) ·
(773) 878-8700 Dr. Danny Akl, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 567-2167 Dr. Danny Choy, D.OChicago, IL · No drug or device payments recorded (2025) ·
(312) 842-0100 Dr. Danny Sugimoto, MDChicago, IL · $835 in drug and device payments (2025) ·
(312) 431-6765 Dr. Dante Pimentel, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 651-9200 Dr. Danuta Kowalski, M.D.Chicago, IL · $641 in drug and device payments (2025) ·
(773) 275-7700 Dr. Darius Bartkus, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 384-1103 Dr. Darius Johnson, MD, MBAChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Darren Boyd, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-5924 Dr. Datta Sambare, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 379-2304 Dr. David Ansell, M.D.Chicago, IL · $1,545 in drug and device payments (2025) · Telehealth ·
(312) 942-6700 Dr. David Baker, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-8630 Dr. David Blatt, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 388-1600 Dr. David Brandt, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 285-9304 Dr. David Buchanan, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 768-4437 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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