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. Benjamin Collie, M.D.Carbondale, IL · $22 in drug and device payments (2025) ·
(618) 549-5361 Dr. Elbert Fasnacht, MDCarbondale, IL · No drug or device payments recorded (2025) · Telehealth ·
(618) 457-4999 Dr. Hong Thoai Nguyen, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 549-0721 Dr. Ijeamaka Ezebilo, MDCarbondale, IL · $32 in drug and device payments (2025) ·
(618) 549-0721 Dr. James Clement, M.D.Carbondale, IL · $17 in drug and device payments (2025) ·
(618) 549-0721 Dr. Kelly Higgins, MDCarbondale, IL · $25 in drug and device payments (2025) ·
(618) 453-3311 Dr. Manogna Nookathota, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 549-0721 Dr. Michael Rafati, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 549-8935 Dr. Muhammad Armughan Ali, M.D.Carbondale, IL · $120 in drug and device payments (2025) ·
(269) 779-0373 Dr. Obiefuna Okponyia, MDCarbondale, IL · $18 in drug and device payments (2025) ·
(618) 942-2171 Dr. Sarmad PirzadaCarbondale, IL · $17 in drug and device payments (2025) ·
(618) 549-0721 Dr. Satyanarayana Vaidya, MDCarbondale, IL · $47 in drug and device payments (2025) ·
(618) 549-0721 Dr. Seif Bugazia, MDCarbondale, IL · No drug or device payments recorded (2025) ·
(618) 942-2171 Dr. Zubin Mahajan, M.D.Carbondale, IL · $70 in drug and device payments (2025) ·
(770) 639-8847 Dr. Elizabeth Obrien, M.D.Carlinville, IL · No drug or device payments recorded (2025) ·
(217) 854-5099 Dr. Gregg Laws, MDCarlinville, IL · No drug or device payments recorded (2025) ·
(217) 854-4552 Dr. Alberto Butalid, MDCarlyle, IL · No drug or device payments recorded (2025) ·
(618) 594-8924 Dr. Christopher Rivera, MD Dr. Angelo Miele, MDCarol Stream, IL · No drug or device payments recorded (2025) ·
(630) 668-3210 Dr. Evelyn Diaz-jimenez, M.D.Carol Stream, IL · No drug or device payments recorded (2025) ·
(630) 480-0226 Dr. Lawrence Schouten, MDCarol Stream, IL · No drug or device payments recorded (2025) ·
(630) 668-3210 Dr. Maceo Ellison, M.D.Carol Stream, IL · No drug or device payments recorded (2025) ·
(630) 752-0260 Dr. Marc Wiener, M.D.Carol Stream, IL · No drug or device payments recorded (2025) ·
(630) 562-9100 Dr. Mark Bednard, DOCarol Stream, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 668-3210 Dr. Nausheen Hasan, M.D.Carol Stream, IL · $843 in drug and device payments (2025) ·
(630) 682-1950 Dr. Susan Ignatius, MDCarol Stream, IL · $114 in drug and device payments (2025) · Telehealth ·
(630) 668-3210 Dr. Michael Mcnear, MDCarrollton, IL · No drug or device payments recorded (2025) ·
(217) 942-6612 Dr. Renan Mapue, MDCarrollton, IL · No drug or device payments recorded (2025) ·
(217) 942-6946 Dr. James Schutzenhofer, MDCentralia, IL · $1,073 in drug and device payments (2025) ·
(618) 545-1705 Dr. Maria Riaz, MDCentralia, IL · No drug or device payments recorded (2025) ·
(618) 532-9050 Dr. Rajendra Shroff, M.D.Centralia, IL · $18 in drug and device payments (2025) ·
(618) 532-5700 Dr. Abdul Basit NawazChampaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 366-5434 Dr. Amanda Walker, MDChampaign, IL · $135 in drug and device payments (2025) ·
(217) 365-6207 Dr. Andrew Bartlett, D.O.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 366-5434 Dr. Cam Dossey, MDChampaign, IL · No drug or device payments recorded (2025) ·
(217) 766-4254 Dr. Charlotte Schuchart, M.D.Champaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 366-5434 Dr. Dang Ho, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 366-5434 Dr. Daniel RosenblatChampaign, IL · No drug or device payments recorded (2025) ·
(217) 366-5434 Dr. Fariha Khatri, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 366-5434 Dr. Gretchen Sperka, DOChampaign, IL · $35 in drug and device payments (2025) ·
(217) 365-6502 Dr. Hira Rizvi, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(443) 622-8193 Dr. Holly Dallas, MDChampaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 365-6207 Dr. Ihsan Habib, MDChampaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 366-5434 Dr. Janet Welch, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 365-6502 Dr. Japhia Jayasingh-ramkumar, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 391-3853 Dr. Jennie Hsu-lumetta, MDChampaign, IL · No drug or device payments recorded (2025) ·
(217) 365-6502 Dr. John Peterson, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 344-2740 Dr. Judith Yasunaga, MDChampaign, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 365-6207 Dr. Kathleen Collins, M.D.Champaign, IL · $85 in drug and device payments (2025) · Telehealth ·
(217) 366-5434 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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