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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 in Chicago2,841 providers
Internal Medicine in Maywood252 providers
Internal Medicine in Springfield196 providers
Internal Medicine in Evanston180 providers
Internal Medicine in Peoria171 providers
Internal Medicine in Oak Lawn169 providers
Internal Medicine in Park Ridge160 providers
Internal Medicine in Urbana142 providers
Internal Medicine in Rockford81 providers
Internal Medicine in Naperville73 providers
Internal Medicine in Mchenry72 providers
Internal Medicine in Berwyn68 providers
Internal Medicine in Skokie64 providers
Internal Medicine in Elgin61 providers
Internal Medicine in Oak Park59 providers
Internal Medicine in Glenview58 providers
Internal Medicine in Arlington Heights53 providers
Internal Medicine in Elmhurst48 providers
Internal Medicine in Decatur44 providers
Internal Medicine in Aurora44 providers
Internal Medicine in Long Grove42 providers
Internal Medicine in North Chicago41 providers
Internal Medicine in Joliet40 providers
Internal Medicine in Lombard38 providers

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. Kasra Tayebi, MD
Chicago, IL · No drug or device payments recorded (2025) · (425) 655-8292
Dr. Katarzyna Skura, M.D.
Chicago, IL · $796 in drug and device payments (2025) · (312) 470-8990
Dr. Katharine Secunda, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 503-7975
Dr. Katherine Grace Lim, M.D.
Chicago, IL · $7,623 in drug and device payments (2025) · (312) 926-2000
Dr. Katherine Granberry, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 445-3500
Dr. Katherine Lee Chuy, M.D.
Chicago, IL · $23,698 in drug and device payments (2025) · (312) 864-6000
Dr. Katherine Mcgee, MD
Chicago, IL · $24,267 in drug and device payments (2025) · (312) 695-8630
Dr. Katherine Orengo Gomez, MD
Chicago, IL · $92 in drug and device payments (2025) · Telehealth · (773) 768-7700
Dr. Katherine Quinones, MD
Chicago, IL · $191 in drug and device payments (2025) · (773) 702-3630
Dr. Katherine Thompson
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (888) 824-0200
Dr. Katherine Trinh
Chicago, IL · $213 in drug and device payments (2025) · (312) 695-8630
Dr. Kathryn Hufmeyer, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-8630
Dr. Kathryn Lee Noll, D.O.
Chicago, IL · No drug or device payments recorded (2025) · (312) 563-2875
Dr. Kathryn Sommer
Chicago, IL · $148 in drug and device payments (2025) · (773) 702-6840
Dr. Katia Fernandez
Chicago, IL · $146 in drug and device payments (2025) · Telehealth · (866) 600-2273
Dr. Katie Mena, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
Dr. Kayla Lang, DO
Chicago, IL · $25 in drug and device payments (2025) · (866) 600-2273
Dr. Kayla Thompson, MD, MBA
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Keaton Erickson, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-6840
Dr. Keaton Read, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 942-8028
Dr. Keertana Jain
Chicago, IL · $82 in drug and device payments (2025) · (312) 503-7975
Dr. Keerthana Chakka
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Keerthana Manjunath, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 864-7311
Dr. Keerthika Vijayakumar, MBBS
Chicago, IL · No drug or device payments recorded (2025) · (312) 864-6000
Dr. Keiki Hinami, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-5178
Dr. Keith Boyd, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 942-8000
Dr. Keith So, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (872) 588-3000
Dr. Kelley Wachsberg
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-8630
Dr. Kellyn Marks, M.D.
Chicago, IL · $32 in drug and device payments (2025) · Telehealth · (312) 926-5111
Dr. Kelsey Holbert
Chicago, IL · $150 in drug and device payments (2025) · (866) 600-2273
Dr. Kelsey Sapida, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 542-2000
Dr. Kenichi Haynie
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-6840
Dr. Kenneth Arbetter, MD
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 926-6000
Dr. Kenneth Hayes, M.D.
Chicago, IL · $19 in drug and device payments (2025) · Telehealth · (312) 926-7443
Dr. Kenneth Nave, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 629-6036
Dr. Kenneth Patt, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 588-9640
Dr. Keon Sargon, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 545-2000
Dr. Kerem Yucebas, MD STUDENT
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Kermit Jones, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 563-2875
Dr. Ketan Jolly, MD
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
Dr. Kevin Chang, MD
Chicago, IL · $71 in drug and device payments (2025) · (773) 702-5211
Dr. Kevin Hunt, M.D.
Chicago, IL · $83 in drug and device payments (2025) · Telehealth · (312) 726-8800
Dr. Kevin Lin, MD
Chicago, IL · $30 in drug and device payments (2025) · (312) 503-7975
Dr. Kevin O'leary, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-9797
Dr. Kevin Weiss, M.D.
Chicago, IL · $148 in drug and device payments (2025) · (312) 665-1435
Dr. Khadidjatou Kane, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-6905
Dr. Khalid Bannan, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 564-5225
Dr. Khalid Barakat, M.D
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (773) 665-3022
Dr. Khalid Hussein, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 665-3000
Dr. Khalilah Gates-hill, MD
Chicago, IL · $100 in drug and device payments (2025) · Telehealth · (312) 695-1800

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.

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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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Illinois? Get featured.