HealthcareDiscovery.AI / Doctors / Illinois / Internal Medicine

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. Kaitlin Willham, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2000
Dr. Karlie Sample, MD
Evanston, IL · $35 in drug and device payments (2025) · (847) 570-2509
Dr. Karolina Krawczyk, MD
Evanston, IL · $71 in drug and device payments (2025) · (847) 570-2376
Dr. Kathleen Cordeiro, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-2509
Dr. Kathleen Mckibbin, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. Kathleen Quinn
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Keith Sarpolis, MD
Evanston, IL · $15 in drug and device payments (2025) · (847) 491-0888
Dr. Kenneth Grumet, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6600
Dr. Kim Grahl, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. Kim Meyers, M.D.
Evanston, IL · $35 in drug and device payments (2025) · (847) 869-5050
Dr. Ki Seok Won, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Lily Cho-mui, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-5470
Dr. Linda Emanuel, M.D., PH.D.
Evanston, IL · No drug or device payments recorded (2025) · (312) 503-2772
Dr. Lisa Reeder, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 491-8100
Dr. Liza Icayan, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2824
Dr. Lizbeth Cabrera
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-4789
Dr. Lori Schwarcz, MD
Evanston, IL · $350 in drug and device payments (2025) · (847) 491-8100
Dr. Madhav Patel, DO
Evanston, IL · $139 in drug and device payments (2025) · (847) 570-2700
Dr. Mahalakshmi Halasyamani, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 663-2655
Dr. Mallika Patel
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Marc Porter
Evanston, IL · $267 in drug and device payments (2025) · (847) 316-4000
Dr. Mariamou Sims, MD
Evanston, IL · $14 in drug and device payments (2025) · (847) 570-2502
Dr. Mary Rhodes, MD
Evanston, IL · No drug or device payments recorded (2025) · (414) 805-6800
Dr. Matthew Gabriel, MD
Evanston, IL · $104 in drug and device payments (2025) · (847) 570-2700
Dr. Matthew Sherwood, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Megan Adams
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Mehul Pema, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2502
Dr. Michael Ramirez, M.D.
Evanston, IL · $261 in drug and device payments (2025) · (562) 331-0611
Dr. Mina Ryu, M.D.
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. Mira Rajani
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Mohammad Salah, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Mohammad Zaheerullah, M.D.
Evanston, IL · $339 in drug and device payments (2025) · (847) 316-4000
Dr. Mohitmeet Singh, M.D.
Evanston, IL · $366 in drug and device payments (2025) · (847) 570-2509
Dr. Montha Suphangul, M.D.
Evanston, IL · $264 in drug and device payments (2025) · (847) 316-4000
Dr. Monzer Abdalla, MD
Evanston, IL · $26 in drug and device payments (2025) · (847) 316-6228
Dr. Mubasher Jaffri, DO
Evanston, IL · $16 in drug and device payments (2025) · (872) 570-2700
Dr. Natasha Bowen, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Natasha Jindal, M.D
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Natasha Vyas, MD
Evanston, IL · $220 in drug and device payments (2025) · (847) 570-2700
Dr. Neha Kaushik, MD
Evanston, IL · $48 in drug and device payments (2025) · (847) 570-2700
Dr. Nicholas Tan, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Nicole Mann, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Nina Botto, M.D.
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-2509
Dr. Noelle Desir, MEDICAL STUDENT
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Osama Siddiqui
Evanston, IL · $115 in drug and device payments (2025) · (847) 570-2700
Dr. Paritosh Prasai, MD
Evanston, IL · No drug or device payments recorded (2025) · (773) 937-3210
Dr. Paula Harvan, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 866-3700
Dr. Paul Gale, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2000
Dr. Paul Hong, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2376
Dr. Pitud Rangsithienchai, M.D.
Evanston, IL · $196 in drug and device payments (2025) · (847) 570-2509

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

Internal Medicine in all 50 states Search all 7,189 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.