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. Jett Ramir, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Jhalak Agrohi, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Jianshu Qi, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 564-5225 Dr. Jigar Joshi, MBBS, MD, HMDCChicago, IL · No drug or device payments recorded (2025) ·
(312) 997-7200 Dr. Jill JinChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-3627 Dr. Jinal Patel, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Jing GaoChicago, IL · No drug or device payments recorded (2025) ·
(312) 503-7975 Dr. Jin Hyung Yoo, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1000 Dr. Jini Han, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 864-6000 Dr. Jinjin WuChicago, IL · $37 in drug and device payments (2025) · Telehealth ·
(773) 257-5914 Dr. Jitendra Dassani, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 609-0300 Dr. Joan Miedema, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(872) 588-3000 Dr. Joan Mullan, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 944-6677 Dr. Joanna Martin, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 733-8900 Dr. Joanna Potera, MDChicago, IL · $466 in drug and device payments (2025) · Telehealth ·
(312) 864-6000 Dr. Joanne Haralampopoulos, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(708) 202-8387 Dr. Joanne Tobacman, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 996-7699 Dr. Joan Savage, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 666-3494 Dr. Joel PekowChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Joel Wilsnack, M.D.Chicago, IL · $19 in drug and device payments (2025) · Telehealth ·
(312) 926-7443 Dr. Joerg Albrecht, M.D.Chicago, IL · $3,222 in drug and device payments (2025) ·
(312) 839-2429 Dr. John Acquaye-awah, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 807-0555 Dr. John Bednarski, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. John Bowman, DOChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. John Brill, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 942-3100 Dr. John Bylewski, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 767-5950 Dr. John Clarke, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 640-1104 Dr. John Combes, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 422-2117 Dr. John Glynn, D.O.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-6146 Dr. John Haebich, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 282-6188 Dr. John Kevin Base, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-7311 Dr. John Nicolas, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-6000 Dr. John O'brien, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. John PietrykowskiChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-2000 Dr. John Raba, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 869-7488 Dr. John Shannon, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-5504 Dr. John Sheagren, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 296-7084 Dr. John Sollee, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. John Sorin, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 695-1700 Dr. John TulleyChicago, IL · No drug or device payments recorded (2025) ·
(866) 600-2273 Dr. John Wang, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. John YoonChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. John Zaborowski, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 278-6050 Dr. Jolan Fejes, M. D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 767-7666 Dr. Jonatan Barreto, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5495 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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