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. Ryan Mccarty, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Sachin AggarwalSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Sanjay Mandava, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-3134 Dr. Sayeeda Jabeen, M.D.Springfield, IL · $16 in drug and device payments (2025) ·
(217) 544-6464 Dr. Schuyler StoneSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Scott Vangemert, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-5568 Dr. Sean Hayes, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Seth Yates, DOSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Shadee TajikSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Shahed Shams, M.D.Springfield, IL · No drug or device payments recorded (2025) · Telehealth ·
(217) 528-0307 Dr. Shahrear Zaman, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Shashi Dhar Rajuri, M.DSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 544-6464 Dr. Sherine MathewSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Sidra Ilyas, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Simone Borges-young, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 789-1403 Dr. Siva Garapati, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Siya PatelSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Sohil Amin, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Stacy Sattovia, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 545-0182 Dr. Stanley Allen, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Stephanie Short, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Stephen Randag, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Susan Hingle, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-0182 Dr. Susan O'neal, D.O.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 529-2691 Dr. Syed Shah Qasim Hamdani, M.D, M.B.B.SSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Tami Hillis, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Tasnem Alsebai, MBBSSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-3134 Dr. Timothy Carroll, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Torin CrockettSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Tornike Jashi, M.D.Springfield, IL · $17 in drug and device payments (2025) ·
(217) 545-8000 Dr. Trenton Grimm, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-0182 Dr. Trent Rich, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Usman FarooquiSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Vanessa Williams, M.D.Springfield, IL · $324 in drug and device payments (2025) · Telehealth ·
(217) 545-8000 Dr. Venkata R Karthik Missula, MDSpringfield, IL · $457 in drug and device payments (2025) ·
(217) 545-8000 Dr. Venu Rangu, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 544-6464 Dr. Vijay KolliparaSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Vivan Tran, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Vladimir Lytchakov, MDSpringfield, IL · $662 in drug and device payments (2025) ·
(217) 528-7541 Dr. William Yu, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 698-9722 Dr. Winston Townsend, MDSpringfield, IL · $1,463 in drug and device payments (2025) ·
(217) 789-1403 Dr. Yansoun Elmasry, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Yasir Hasnain, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Yasmina Arroyo, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Ying Ying Hu, MDSpringfield, IL · $194 in drug and device payments (2025) ·
(217) 545-8000 Dr. Zachariah Gurnsey, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-0182 Dr. Zakriya ShahSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Zarish Farid, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 545-8000 Dr. Zurain Niaz, MDSpringfield, IL · $546 in drug and device payments (2025) ·
(217) 545-8000 Dr. Louis Lukancic, MDSpring Valley, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 663-2811 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 7,189 in the directory Ask Zach for help choosing
Related