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. Noah Lybik, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Noah Nelson, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5000 Dr. Noah WassermanChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Noel Debacker, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 503-6000 Dr. Noelle Krueger, DOChicago, IL · $164 in drug and device payments (2025) ·
(312) 864-6000 Dr. Noel Rubio, M.D.Chicago, IL · $1,537 in drug and device payments (2025) ·
(773) 622-0056 Dr. Noor Abdulhameed, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Nooshin Cohanim, M.D.Chicago, IL · $1,271 in drug and device payments (2025) · Telehealth ·
(773) 871-4409 Dr. Nora Segar, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 666-3494 Dr. Noreen Khan, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Norman James, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 225-2055 Dr. Nour Hany Bassil, MDChicago, IL · $166 in drug and device payments (2025) ·
(773) 878-8200 Dr. Nurbek MambetsarievChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Octavio Vega, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 451-4143 Dr. Oksana GanymovychChicago, IL · No drug or device payments recorded (2025) ·
(773) 257-5701 Dr. Oladipo Fagbemi, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Olasubomi Omoleye, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6840 Dr. Olayinka Akinola, M.D., MPHChicago, IL · $170 in drug and device payments (2025) ·
(773) 733-8900 Dr. Oleh Terleckyj, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 878-8200 Dr. Olga GomenioukChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-7100 Dr. Olga Lugo-torres, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 744-1935 Dr. Olivera Raskovich, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 334-3431 Dr. Olivia LeeChicago, IL · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. Olukayode Olowe, MD PHDChicago, IL · No drug or device payments recorded (2025) ·
(773) 660-1635 Dr. Olumuyiwa Idowu, M.D.Chicago, IL · $719 in drug and device payments (2025) ·
(773) 871-5150 Dr. Olusoji Peter, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(219) 750-9389 Dr. Oluwaseun OyekuChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-7202 Dr. Omar Alsamman, M.D.Chicago, IL · $371 in drug and device payments (2025) ·
(773) 427-4900 Dr. Omar Hamadi, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Omar NabulsiChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-7100 Dr. Omar Oliveros, M.D.Chicago, IL · $1,531 in drug and device payments (2025) ·
(773) 377-7736 Dr. Omar Taleb, MDChicago, IL · $271 in drug and device payments (2025) ·
(773) 564-5225 Dr. Omnia M Mohamed Darweesh, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Omotola Oredipe, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6000 Dr. Ophelia Rallos, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 794-4000 Dr. Orna Regen, MDChicago, IL · No drug or device payments recorded (2025) ·
(855) 625-7878 Dr. Orrianne Morrison, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-8000 Dr. Oscar-ruben Pena-vizcarra, MD Dr. Otto Garcia Montenegro, M.D. Dr. Otuonye Onyewuchi, MD, MPHChicago, IL · $190 in drug and device payments (2025) ·
(773) 933-9300 Dr. Owais Lodhi, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 248-6913 Dr. Padma Kudaravalli, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-6500 Dr. Pakhi Gupta, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 766-4949 Dr. Pallavi Krishna Rao, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Pal Shah, MDChicago, IL · No drug or device payments recorded (2025) ·
(630) 888-5440 Dr. Pamela Cruz, M.D.Chicago, IL · $117 in drug and device payments (2025) ·
(773) 967-2000 Dr. Pamela Cruz-carandang, M.DChicago, IL · $463 in drug and device payments (2025) ·
(312) 829-4224 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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