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. Teresa Mckenzie, MDRiver Forest, IL · $14 in drug and device payments (2025) ·
(708) 366-4888 Dr. Terrie Weir, MDRiver Forest, IL · No drug or device payments recorded (2025) ·
(708) 366-4888 Dr. Wendy Foster, MDRiver Forest, IL · No drug or device payments recorded (2025) ·
(708) 488-1919 Dr. William Sarantos, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 771-6611 Dr. Alexis Mena Penafiel, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Ann Bunyan, M.DRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Anshika Gupta, MBBSRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Ariel Moncayo Saona, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Barbara Zabska-szatkowski, MDRiverside, IL · $257 in drug and device payments (2025) ·
(708) 466-0585 Dr. Catherine Cheng, MDRiverside, IL · $170 in drug and device payments (2025) · Telehealth ·
(708) 783-6500 Dr. Diana Kreppel, M.D.Riverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Ernest Kaminski, M.D.Riverside, IL · No drug or device payments recorded (2025) ·
(708) 442-6783 Dr. Jennifer Bussell, MDRiverside, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 783-6500 Dr. Mario Damian Cardenas, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Navos Pon Golda Durai, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Nodira Makhmudova, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Premsai ChilakuluriRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Priyanka Sharma, M.D.Riverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Priyanka Sultania Dudani, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Rebecca Harris, M.D.Riverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Shabnam Santos Ahouraiyan, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Sutirtha Mohanty, MBBSRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Syed Rizvi, MDRiverside, IL · $119 in drug and device payments (2025) · Telehealth ·
(708) 783-6500 Dr. Tahir Rohail, MDRiverside, IL · $804 in drug and device payments (2025) · Telehealth ·
(708) 447-4267 Dr. Tonia Gooden, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Vaishnavi ModiRiverside, IL · $79 in drug and device payments (2025) ·
(708) 783-6566 Dr. Yonatan Zewdie, MDRiverside, IL · No drug or device payments recorded (2025) ·
(708) 783-6566 Dr. Lewis Barr, M.D.Riverwoods, IL · No drug or device payments recorded (2025) ·
(847) 231-5286 Dr. Noel Browdy, MDRiverwoods, IL · No drug or device payments recorded (2025) ·
(847) 945-3179 Dr. Robert Wolf, M.D.Riverwoods, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 236-1701 Dr. Tom Klein, MDRiverwoods, IL · $160 in drug and device payments (2025) ·
(847) 325-5110 Dr. Vishnu Madireddy, M.D.Riverwoods, IL · No drug or device payments recorded (2025) ·
(847) 325-5110 Dr. Simon Piller, M.D.Robbins, IL · No drug or device payments recorded (2025) ·
(708) 293-8100 Dr. Abed Alfattah Abu Fares, MDRobinson, IL · No drug or device payments recorded (2025) ·
(917) 445-5531 Dr. Gregory Kastner, MDRobinson, IL · No drug or device payments recorded (2025) ·
(618) 546-5464 Dr. Mahmoud Yassin, M.D.Robinson, IL · No drug or device payments recorded (2025) ·
(618) 546-5211 Dr. Mary Loftin, MDRobinson, IL · No drug or device payments recorded (2025) ·
(618) 544-3131 Dr. Vickie Becker, MDRobinson, IL · No drug or device payments recorded (2025) ·
(618) 546-5464 Dr. Diana Thiara, MDRochelle, IL · $24,462 in drug and device payments (2025) · Telehealth ·
(815) 751-1461 Dr. Roopa Karri, M.D.Rochelle, IL · No drug or device payments recorded (2025) ·
(815) 561-8500 Dr. Muhammad Salahuddin, M.D.Rock Falls, IL · No drug or device payments recorded (2025) ·
(815) 626-2230 Dr. Robert Dorman, D.O.Rock Falls, IL · No drug or device payments recorded (2025) ·
(815) 626-2230 Dr. Aaron Coates, MDRockford, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 971-2000 Dr. Adekola Ashaye, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 490-1600 Dr. Allen Williams, MDRockford, IL · No drug or device payments recorded (2025) ·
(779) 696-0300 Dr. Anusha Yanamadala, M.DRockford, IL · $133 in drug and device payments (2025) ·
(708) 783-6566 Dr. Arthur Rone, MDRockford, IL · $39 in drug and device payments (2025) ·
(815) 971-7210 Dr. Balarama SurapaneniRockford, IL · No drug or device payments recorded (2025) ·
(815) 226-2000 Dr. Binoy Kamal, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 226-2000 Dr. Bryan Tully, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 226-2000 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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