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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. Jean Wardlow, MD
Moline, IL · $1,002 in drug and device payments (2025) · (309) 281-2900
Dr. John Davies, MD
Moline, IL · No drug or device payments recorded (2025) · (309) 779-3627
Dr. John Peterson, PHD, MD
Moline, IL · No drug or device payments recorded (2025) · (309) 779-4200
Dr. Leonard Keeven, MD
Moline, IL · No drug or device payments recorded (2025) · Telehealth · (309) 779-3627
Dr. Lexis Leach, APRN
Moline, IL · $962 in drug and device payments (2025) · (309) 736-5568
Dr. Milan Durco, MD
Moline, IL · $24 in drug and device payments (2025) · (309) 779-4200
Dr. Namrata Mallik, MD
Moline, IL · $991 in drug and device payments (2025) · Telehealth · (309) 764-4500
Dr. Rajeshwari Gadagkar, MD
Moline, IL · $23 in drug and device payments (2025) · (309) 765-1600
Dr. Reena Kunreddy, M.D
Moline, IL · No drug or device payments recorded (2025) · (309) 281-2900
Dr. Reynaldo Castro, MD
Moline, IL · $109 in drug and device payments (2025) · (309) 762-5515
Dr. Steven Arvanitis
Moline, IL · $120 in drug and device payments (2025) · (309) 779-3627
Dr. Sujata Karkare, MD, PH. D
Moline, IL · No drug or device payments recorded (2025) · (309) 255-0358
Dr. Toyosi Olutade, MD
Moline, IL · $24 in drug and device payments (2025) · (309) 779-3627
Dr. Adam Milik, MD
Monee, IL · No drug or device payments recorded (2025) · Telehealth · (708) 534-2000
Dr. Kheder Basheer, MD
Monmouth, IL · No drug or device payments recorded (2025) · (309) 734-3141
Dr. Ruben Medrano, MD
Monmouth, IL · No drug or device payments recorded (2025) · (309) 734-1414
Dr. Lisette Tzanetakos Solomon, MD
Montgomery, IL · No drug or device payments recorded (2025) · (630) 897-2848
Dr. Narain Mandhan, M.D.
Monticello, IL · $52 in drug and device payments (2025) · (217) 762-6241
Dr. Choongkoon Lee, MD
Morris, IL · $49 in drug and device payments (2025) · (815) 942-1633
Dr. Dana Howd, MD
Morris, IL · No drug or device payments recorded (2025) · (815) 942-2932
Dr. David Vermillion, M.D.
Morris, IL · $49 in drug and device payments (2025) · (815) 513-5625
Dr. Ishtiaq Habib, M.D.
Morris, IL · No drug or device payments recorded (2025) · (815) 942-2932
Dr. Kanchan Tiwari, MD
Morris, IL · $96 in drug and device payments (2025) · (815) 942-2932
Dr. Lakshmi Anubrolu, MD
Morris, IL · No drug or device payments recorded (2025) · (815) 942-2932
Dr. Mohammed Saed, MD
Morris, IL · No drug or device payments recorded (2025) · (815) 942-2932
Dr. Olga Peplos, MD
Morris, IL · No drug or device payments recorded (2025) · (815) 513-5380
Dr. Peter Roumeliotis, MD
Morris, IL · No drug or device payments recorded (2025) · Telehealth · (815) 942-5200
Dr. Brian Curtis
Morton, IL · No drug or device payments recorded (2025) · (306) 263-2424
Dr. Douglas Marshall, M.D.
Morton, IL · $18 in drug and device payments (2025) · (309) 266-8900
Dr. G Sidler, MD
Morton, IL · No drug or device payments recorded (2025) · (309) 263-1266
Dr. Janelle Smith, DO
Morton, IL · $76 in drug and device payments (2025) · (309) 263-6154
Dr. Janice Takata Rossi, MD
Morton, IL · No drug or device payments recorded (2025) · (309) 265-4110
Dr. Lizbeth Taylor
Morton, IL · No drug or device payments recorded (2025) · (309) 263-2424
Dr. Allan Sutow, MD
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 663-9820
Dr. Daniel Berman, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 967-5010
Dr. Daniel Lazar, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 967-5010
Dr. David Weiss, MD
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 674-3371
Dr. Gordon Cotell, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 967-5010
Dr. Hillary Ecker, MD
Morton Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 967-5010
Dr. Jerry Bernstein, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 967-5010
Dr. Kathy Bailey, M.D
Morton Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 967-5010
Dr. Lexy Wistenberg, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 967-5010
Dr. Minh Nguyen, DO
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 967-5010
Dr. Susana Salcedo, M.D.
Morton Grove, IL · No drug or device payments recorded (2025) · (847) 967-5010
Dr. Lawrence Jennings, MD
Mount Carmel, IL · $18 in drug and device payments (2025) · (618) 262-5113
Dr. Loyd Wollstadt, M.D.
Mount Morris, IL · No drug or device payments recorded (2025) · (815) 734-6061
Dr. Aleksandra Raykher, M.D.
Mount Prospect, IL · No drug or device payments recorded (2025) · (847) 618-5450
Dr. Daniel Jacob
Mount Prospect, IL · No drug or device payments recorded (2025) · (224) 475-2433
Dr. Hamza Salam, DO
Mount Prospect, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-5450
Dr. Kathryn Eubanks, MD
Mount Prospect, IL · No drug or device payments recorded (2025) · (847) 618-5450

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.