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. Eric Perkey, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1455 Dr. Eric Schaefer, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 695-8630 Dr. Eric Whitaker, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6070 Dr. Erida Prifti, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 257-6552 Dr. Erik Orelind, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2424 Dr. Erin Hickey, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-6840 Dr. Erin Sullivan, MDChicago, IL · $119 in drug and device payments (2025) ·
(708) 305-7510 Dr. Erin Sweatt, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-6895 Dr. Ermias Tilahun, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 907-3550 Dr. Ernesto Villegas, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 733-0909 Dr. Esha Kapania, MDChicago, IL · $800 in drug and device payments (2025) ·
(312) 942-8043 Dr. Estefania Perez Luna, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Estefan Roy, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 577-2141 Dr. Eugene Oh, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Euna Chi, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 413-3627 Dr. Eunice Saint-victor, MDChicago, IL · $123 in drug and device payments (2025) ·
(866) 600-2273 Dr. Eunsun HongChicago, IL · No drug or device payments recorded (2025) ·
(773) 878-8200 Dr. Evan GarradChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Evan KleinChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Evan Lu, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 312-3650 Dr. Evan Lyon, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1111 Dr. Evan Ng, M.D.Chicago, IL · $243 in drug and device payments (2025) · Telehealth ·
(312) 922-3815 Dr. Evgeni Mirkin, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 250-5222 Dr. Ewa Osolkowski, MDChicago, IL · $382 in drug and device payments (2025) ·
(312) 829-4224 Dr. Fabiola Adkisson, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Fadi KhirChicago, IL · No drug or device payments recorded (2025) ·
(773) 564-5225 Dr. Fakhruddin Adamji, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 829-4224 Dr. Farhan AliChicago, IL · No drug or device payments recorded (2025) ·
(777) 665-6730 Dr. Farhan Shams, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 842-7117 Dr. Faria Sami, MDChicago, IL · $334 in drug and device payments (2025) ·
(312) 864-6000 Dr. Farooq Mohammed, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 445-3500 Dr. Farzana Begum, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 791-9647 Dr. Farzan Vahedifard, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 257-5701 Dr. Fatema Merchant, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 503-2810 Dr. Fatemeh BehniaChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Fatlind Zhuta, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 860-3746 Dr. Fauzia Lodhi, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 588-7733 Dr. Fawsia Osman, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Feliks Mavashev, MDChicago, IL · $19 in drug and device payments (2025) · Telehealth ·
(773) 271-1500 Dr. Fernando Hernandez, MD SCChicago, IL · $73 in drug and device payments (2025) · Telehealth ·
(312) 942-2356 Dr. Fernando Santiago-colon, MDChicago, IL · No drug or device payments recorded (2025) ·
(215) 588-3376 Dr. Fernando Sigala, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-7100 Dr. Fernando Soler, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 235-7455 Dr. Fernando Striedinger, MDChicago, IL · $3,898 in drug and device payments (2025) ·
(773) 878-6060 Dr. Feven TegegneChicago, IL · No drug or device payments recorded (2025) ·
(312) 567-2000 Dr. Fikir Kibret, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-7311 Dr. Fiona Gruzmark, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 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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