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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. Bayan Yazdi, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Bhavik Shah, M.D.
Oak Lawn, IL · $200 in drug and device payments (2025) · (312) 609-0300
Dr. Carma Azhar, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5673
Dr. Carmen Gnatenco, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 425-4662
Dr. Carolina Gonzalez Vazquez
Oak Lawn, IL · $15 in drug and device payments (2025) · (708) 398-0287
Dr. Caroline Youssef
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-8000
Dr. Chanmoly Seng
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-8000
Dr. Chiedu Okonmah, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Chinnammal Kandaswamy, M.D.
Oak Lawn, IL · $109 in drug and device payments (2025) · (708) 684-5685
Dr. Christie Mena Adam, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5375
Dr. Colin Eash, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5674
Dr. Cynhia Hsu
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5673
Dr. Daniel Babiar, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Daniel Gomez, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Daniel Jabr, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. David Alter, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Di Ma, M.D.
Oak Lawn, IL · $200 in drug and device payments (2025) · (708) 684-8000
Dr. Divya Thomas, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Donna Oh, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-8000
Dr. Dorsa Samsami, DO
Oak Lawn, IL · $200 in drug and device payments (2025) · (708) 684-8000
Dr. Drake Carter, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Eric Davis, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Eugene Muzykansky, MD
Oak Lawn, IL · $572 in drug and device payments (2025) · Telehealth · (708) 636-1601
Dr. Eyas Zorub, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Frank Raymond, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5673
Dr. Funmilola Bamidele, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Griffin Moore, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Hadiah Kedwaii, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-5673
Dr. Haley Scott, D.O.
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Hamid Nazimuddin
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Hector Roman Perez, MD
Oak Lawn, IL · $53 in drug and device payments (2025) · (708) 398-0287
Dr. Hesham Wazwaz, MD
Oak Lawn, IL · $366 in drug and device payments (2025) · (708) 634-7404
Dr. Hillary Deveaux, MBBS
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Himabindu Kandimalla, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (312) 609-0300
Dr. Hina Iqbal, MD
Oak Lawn, IL · $25 in drug and device payments (2025) · (708) 261-0831
Dr. Iman Elagha, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-8000
Dr. Indira Vadali, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 636-1818
Dr. Irfan Siddiqui, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (312) 731-6329
Dr. Jacqueline Ivey-brown, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Janet Omole, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 684-4393
Dr. Jennifer Hosso-cooper, DO
Oak Lawn, IL · $1,390 in drug and device payments (2025) · Telehealth · (708) 425-5500
Dr. Jennifer Velasco, D.O., PH.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · Telehealth · (708) 684-5673
Dr. Joanna Maurice, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (312) 609-0300
Dr. Jorge Balandrin, M.D.
Oak Lawn, IL · $382 in drug and device payments (2025) · (708) 424-1222
Dr. Joseph Kowalczyk, MD
Oak Lawn, IL · $760 in drug and device payments (2025) · (708) 636-1601
Dr. Juelin Tang, M.D.
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 424-2082
Dr. Julia Tu
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 398-0287
Dr. Kamakshi Katwala, MD
Oak Lawn, IL · $288 in drug and device payments (2025) · (708) 398-0287
Dr. Katherine Tynus, MD
Oak Lawn, IL · No drug or device payments recorded (2025) · (708) 783-6500
Dr. Kevin Loughry, DO
Oak Lawn, IL · No drug or device payments recorded (2025) · Telehealth · (708) 398-0287

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.