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. Elizabeth TermanChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Elizabeth TungChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Elizabeth Vanopstal, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1000 Dr. Eliz Achhami, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 542-2000 Dr. Eli Zaher, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 665-3017 Dr. Elizaveta Khoryev, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 620-6024 Dr. Ellen Mason, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 689-4654 Dr. Ellen Ross, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-6146 Dr. Elli Johnson, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-7100 Dr. Elliot Petropoulos, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 567-2000 Dr. Elmer Carasig, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 486-3537 Dr. Elsie Walker, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 721-0470 Dr. El-waleed Mohammed AliChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-7936 Dr. Elyse Esrig, M.D.Chicago, IL · $56 in drug and device payments (2025) · Telehealth ·
(312) 926-7443 Dr. Ely TandeterChicago, IL · No drug or device payments recorded (2025) ·
(773) 235-6266 Dr. Emad BabikerChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Ema Dzaka-dizdarevic, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 665-3000 Dr. Eman FathalaChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Emanuel Irizarry Berrios, MD Dr. Emeka Eze, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 768-7700 Dr. Emilee Hall, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Emily Casaletto, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Emily Chacko, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 292-2700 Dr. Emily Chatskis, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 275-8042 Dr. Emily CullumChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Emily LandonChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Emily Lindner, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 953-1636 Dr. Emmalee Skorich, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 503-7975 Dr. Emmanuel AnsahChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Emmanuel Nwaokocha, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 257-6730 Dr. Emmanuel Okematti, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Emmanuel Olumuyide, MD Dr. Emma Vanderlaan, MD, PHDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Emmy WanjikuChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Ena Mahapatra, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Enoch Anaglate, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 869-7488 Dr. Enrique Martinez, M.D. Dr. Erenee Sirinian, D.O.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 907-3550 Dr. Erica MackenzieChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Eric Arhin, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Eric Brehm, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-3627 Dr. Eric Christoff, M.D.Chicago, IL · $3,757 in drug and device payments (2025) ·
(773) 388-1600 Dr. Eric Chuang, M.D.Chicago, IL · $265 in drug and device payments (2025) ·
(773) 292-8278 Dr. Eric Chung, MDChicago, IL · $43 in drug and device payments (2025) · Telehealth ·
(312) 926-3627 Dr. Eric Freeman, MDChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. Eric Griffin, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 969-1911 Dr. Eric Karney, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Eric Mizuno, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 523-8600 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 7,189 in the directory Ask Zach for help choosing
Related
