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. Fatima Akili, M.D.Maywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Frank Leuzzi, MDMaywood, IL · $219 in drug and device payments (2025) ·
(888) 584-7888 Dr. Gauri ShankarMaywood, IL · No drug or device payments recorded (2025) ·
(217) 714-3701 Dr. Gina MartiniMaywood, IL · No drug or device payments recorded (2025) ·
(847) 624-0108 Dr. Gregory Ozark, MDMaywood, IL · No drug or device payments recorded (2025) ·
(630) 985-4989 Dr. Gulnihal AkbulutMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Hanna Larson, DO, MSMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Hassan ZagloulMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Heidi Renner, MDMaywood, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 216-9000 Dr. Ipsita Pradhan, MDMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Isabel Martinez Daniel, MDMaywood, IL · No drug or device payments recorded (2025) ·
(401) 580-9963 Dr. Jack Caplan, MDMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Jacob Pozin, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-7766 Dr. James Boblick, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 327-7030 Dr. James Regan, M.D.Maywood, IL · No drug or device payments recorded (2025) ·
(708) 216-6497 Dr. James Rupp, MDMaywood, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 485-1020 Dr. Janvi NanavatiMaywood, IL · No drug or device payments recorded (2025) ·
(781) 392-5475 Dr. Jaron Longo, MDMaywood, IL · No drug or device payments recorded (2025) ·
(706) 721-3186 Dr. Jasmine Zahid, DOMaywood, IL · No drug or device payments recorded (2025) ·
(888) 854-7888 Dr. Jasmin Sandhu, M.D.Maywood, IL · No drug or device payments recorded (2025) ·
(708) 216-5368 Dr. Jessica Diol, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-9000 Dr. John Boblick, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 327-7030 Dr. John Dinger, MDMaywood, IL · No drug or device payments recorded (2025) ·
(315) 744-4132 Dr. Jonah Rubin, M.D.Maywood, IL · $184 in drug and device payments (2025) · Telehealth ·
(888) 584-7888 Dr. Jonathan Forrest, MDMaywood, IL · No drug or device payments recorded (2025) ·
(999) 999-9999 Dr. Jonathan Mallory, MDMaywood, IL · No drug or device payments recorded (2025) ·
(864) 593-3527 Dr. Jordan Koczenasz, MDMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Josephine Dlugopolski-gach, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 233-5333 Dr. Joshua Evans, M.D.Maywood, IL · $122 in drug and device payments (2025) · Telehealth ·
(708) 216-3300 Dr. Julia Bergquist, MDMaywood, IL · No drug or device payments recorded (2025) ·
(888) 548-7888 Dr. Julia HughesMaywood, IL · No drug or device payments recorded (2025) ·
(708) 595-3542 Dr. Kabier SandhuMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Karolina Truszkowska, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-3215 Dr. Kartik DevganMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-5140 Dr. Katarzyna RojekMaywood, IL · No drug or device payments recorded (2025) ·
(708) 354-9250 Dr. Katelyn Ferguson, MDMaywood, IL · No drug or device payments recorded (2025) ·
(513) 439-2986 Dr. Katherine Partyka, MDMaywood, IL · $156 in drug and device payments (2025) ·
(888) 584-7888 Dr. Katherine Sherman, MDMaywood, IL · No drug or device payments recorded (2025) ·
(888) 584-7888 Dr. Kathleen Detwiler, PHD, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 202-7000 Dr. Kathryn Fritz, MDMaywood, IL · $148 in drug and device payments (2025) ·
(815) 575-6795 Dr. Kaylee Gwyn, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-5522 Dr. Keith Muccino, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-8757 Dr. Keith Veselik, MDMaywood, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 985-4989 Dr. Kerry Steed, MDMaywood, IL · No drug or device payments recorded (2025) ·
(708) 216-6901 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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