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. Wei Wei Lee, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-6840 Dr. Wendy Sternberg, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 219-2230 Dr. Wenfei Wang, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 795-0232 Dr. William Barge, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 413-3627 Dr. William GalanterChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. William Gerardi, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 244-3060 Dr. William Johnson, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 233-5850 Dr. William Kehoe, MDChicago, IL · $419 in drug and device payments (2025) ·
(312) 942-6647 Dr. William Trick, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-3680 Dr. William Werner, M.D., M.P.H.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 296-5888 Dr. Wojciech Maciata, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Xiangyu Xie, MDChicago, IL · No drug or device payments recorded (2025) ·
(212) 203-6560 Dr. Yama Latif, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-4462 Dr. Yanairi Sanabria Nieves, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 542-2000 Dr. Yan HuangChicago, IL · $485 in drug and device payments (2025) ·
(312) 864-6000 Dr. Yanira Lagos Escoto, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 665-6730 Dr. Yaseen Odeh, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 432-1707 Dr. Yasmeen Shahout, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Yasmin Polivick, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(866) 600-2273 Dr. Yassein Elhussein, MD Dr. Yazan Noilaty, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Yehia Naga, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 996-7598 Dr. Ye Rim NohChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Yetunde Akande, MDChicago, IL · No drug or device payments recorded (2025) ·
(708) 571-4885 Dr. Yevgeny Tsyrulnikov, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 506-4695 Dr. Yifei HuChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Yomaira Silva, MDChicago, IL · $194 in drug and device payments (2025) ·
(773) 702-6119 Dr. Yosef KazintetChicago, IL · $146 in drug and device payments (2025) ·
(312) 523-6874 Dr. Youjin OhChicago, IL · $147 in drug and device payments (2025) ·
(312) 864-6000 Dr. Youna Ha, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 542-2000 Dr. Young Lee, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Yousif Mohammed Helo, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Yudai Okabe, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Yupeng LiuChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Yusra MoursyChicago, IL · No drug or device payments recorded (2025) ·
(773) 995-6300 Dr. Zacharie HamiltonChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6760 Dr. Zachary BellerChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Zachary Carrasco, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Zachary Gaertner, MD, PHDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Zachary NanChicago, IL · No drug or device payments recorded (2025) ·
(774) 702-6840 Dr. Zachary Pellis, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Zachary ReinsteinChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Zaid Parekh, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-3937 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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