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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. David Hwang, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. David Pontes, MD
Evanston, IL · $89 in drug and device payments (2025) · (847) 570-2000
Dr. David Weinstein, MD
Evanston, IL · $288 in drug and device payments (2025) · Telehealth · (847) 570-2700
Dr. Dawson Mills
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Deepa Kamath, DO
Evanston, IL · $290 in drug and device payments (2025) · (847) 570-2509
Dr. Demetrios Maroutsos, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Derek Wong
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Dipika Oberoi, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Drashti Antala
Evanston, IL · $313 in drug and device payments (2025) · (331) 245-5842
Dr. Drishti Timsina, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6228
Dr. Ekta Patel, D.O.
Evanston, IL · $16 in drug and device payments (2025) · Telehealth · (847) 570-2700
Dr. Elene Pestvenidze
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Elizabeth Barbeau
Evanston, IL · No drug or device payments recorded (2025) · (773) 702-6760
Dr. Elizabeth Ward, M.D.
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-2509
Dr. Elizabeth Woo-strauss, M.D.
Evanston, IL · $856 in drug and device payments (2025) · Telehealth · (847) 869-1192
Dr. Emily Andrew, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-2509
Dr. Emily Chuang
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-3111
Dr. Emily Woo
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1410
Dr. Eric Cooper
Evanston, IL · $18 in drug and device payments (2025) · (847) 570-2700
Dr. Eric Xia, DO
Evanston, IL · $115 in drug and device payments (2025) · (847) 570-2000
Dr. Esther Kwak, DO
Evanston, IL · $356 in drug and device payments (2025) · (847) 570-2505
Dr. Farah Alturkmani
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Gary Davis, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1410
Dr. Hana Hill
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Harry Jaffe, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 475-8888
Dr. Harsha Rudrappa, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Hyman Ng, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. Hyo Lee, DO
Evanston, IL · No drug or device payments recorded (2025) · (312) 666-3494
Dr. Indrani Hwang, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. Jacqueline David, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 866-3700
Dr. James Mcclure, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 492-1500
Dr. Jamie Titen, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Jane Lee, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Jason Paek, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Jason Razdik, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2409
Dr. Jeffrey Geohas, M.D.
Evanston, IL · $1,657 in drug and device payments (2025) · Telehealth · (847) 869-1192
Dr. Jennifer Riedel
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Jessie Hano, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 328-3730
Dr. Jingshu Liang, MD
Evanston, IL · No drug or device payments recorded (2025) · (321) 276-5643
Dr. Joanna Vakros, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Joanne Connolly, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. John Alexander, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. John Ebihara, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 866-3700
Dr. John Fultz, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (773) 275-6349
Dr. John Nikitas, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-4789
Dr. Joseph Singer, MD
Evanston, IL · $76 in drug and device payments (2025) · (773) 702-1150
Dr. Joshua Reese, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Julia Iourinets, MD
Evanston, IL · $66 in drug and device payments (2025) · (847) 570-4789
Dr. Jungyun Ko
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Justin Lunderberg, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700

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.

Related reading on HealthcareDiscovery.AI

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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.