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 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. Jawad Khan, M.D.Belleville, IL · No drug or device payments recorded (2025) ·
(618) 398-6266 Dr. Joshua Niebruegge, M.D.Belleville, IL · No drug or device payments recorded (2025) ·
(618) 257-6200 Dr. Kathleen Fournier, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 222-9999 Dr. Leopoldo Pardo, MDBelleville, IL · $134 in drug and device payments (2025) ·
(618) 257-8017 Dr. Lynne Nowak, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 235-1703 Dr. Mark Irwin, M.D.Belleville, IL · No drug or device payments recorded (2025) ·
(618) 234-0640 Dr. Mary Rybak, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 257-6200 Dr. Matthew Hageman, MDBelleville, IL · $15,028 in drug and device payments (2025) ·
(618) 257-1297 Dr. Michelle Burk, DOBelleville, IL · $185 in drug and device payments (2025) ·
(618) 257-6220 Dr. Nidal Shawahin, MDBelleville, IL · $851 in drug and device payments (2025) · Telehealth ·
(618) 222-7280 Dr. Pankaj Kaul, M.D.Belleville, IL · No drug or device payments recorded (2025) ·
(618) 234-2120 Dr. Pathanjali Saravanan, MDBelleville, IL · $14 in drug and device payments (2025) ·
(618) 257-6220 Dr. Radha Devendrappa, M.D.Belleville, IL · No drug or device payments recorded (2025) ·
(618) 234-2120 Dr. Richard Fikes, DOBelleville, IL · No drug or device payments recorded (2025) · Telehealth ·
(618) 257-6220 Dr. Shadab Bhutto, M.D.Belleville, IL · $51 in drug and device payments (2025) ·
(618) 222-4701 Dr. Vibhu Dhawan, MDBelleville, IL · No drug or device payments recorded (2025) ·
(618) 257-6220 Dr. Ashley Harrison Ragle, MDBellwood, IL · No drug or device payments recorded (2025) ·
(708) 467-7254 Dr. Huma Masood, M.DBellwood, IL · No drug or device payments recorded (2025) ·
(708) 467-7254 Dr. Ramesh Aggarwal, MDBellwood, IL · $22 in drug and device payments (2025) ·
(708) 467-7254 Dr. Anthony Molinari, MDBelvidere, IL · No drug or device payments recorded (2025) ·
(815) 544-7400 Dr. Daisy Chacko Thomas, MDBelvidere, IL · No drug or device payments recorded (2025) ·
(815) 971-3030 Dr. Jaime Sanz, MDBelvidere, IL · No drug or device payments recorded (2025) ·
(779) 696-8650 Dr. Shobha Iyengar, M.D.Belvidere, IL · $1,710 in drug and device payments (2025) · Telehealth ·
(815) 547-5007 Dr. Larry Leone, M.D.Benld, IL · No drug or device payments recorded (2025) ·
(217) 835-6663 Dr. Jason Castator, M.D.Bensenville, IL · No drug or device payments recorded (2025) ·
(630) 595-9988 Dr. David Szoke, M.D.Benton, IL · No drug or device payments recorded (2025) ·
(618) 435-5444 Dr. Gemilo Resaba, M.D.Benton, IL · No drug or device payments recorded (2025) ·
(618) 439-3161 Dr. Robert Parks, M.D.Benton, IL · No drug or device payments recorded (2025) ·
(618) 439-3161 Dr. Saeed Khan, MDBenton, IL · No drug or device payments recorded (2025) ·
(618) 435-8189 Dr. Adam El Hendy Gunnarsson, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3425 Dr. Aditi Puri, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Alysia Martin GarciaBerwyn, IL · No drug or device payments recorded (2025) ·
(831) 706-6767 Dr. Angela Alcarraz Bedrillana, MD Dr. Angelina Molkina, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3401 Dr. Anum NawazBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3401 Dr. Ashwin NarayananBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3425 Dr. Avi Harisingani, MBBS Dr. Baudelio Herrada, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-9100 Dr. Canaan Kerr, MD MSBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3425 Dr. Carlos Murillo-zepedaBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3401 Dr. Carl Pfaehler, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3425 Dr. David Pielykh, MDBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Desmond SeshieBerwyn, IL · No drug or device payments recorded (2025) ·
(708) 783-3401 Dr. Dilip Patel, M.D.Berwyn, IL · $19 in drug and device payments (2025) · Telehealth ·
(708) 795-8900 Dr. Ekaterina Bazunova, MD 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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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