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. Ghassan Rahhal, MDPalos Heights, IL · $111 in drug and device payments (2025) ·
(708) 671-1685 Dr. Irma Kuptel, MDPalos Heights, IL · $110 in drug and device payments (2025) · Telehealth ·
(708) 425-4662 Dr. James Miller, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 448-1207 Dr. Janice Pierson, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 293-7004 Dr. Jeffrey Mozwecz, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 389-3224 Dr. John Principe, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 448-9450 Dr. Lela Demeter, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 923-1900 Dr. Lizhu Gao, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 587-0000 Dr. Maria Lentzou, M.D.Palos Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 671-1500 Dr. Matthew Fitz, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 923-5474 Dr. Mhd Firas Zakaria, M.D.Palos Heights, IL · $989 in drug and device payments (2025) · Telehealth ·
(708) 620-4545 Dr. Mohamed Nahhas, MDPalos Heights, IL · $1,750 in drug and device payments (2025) · Telehealth ·
(708) 448-2666 Dr. Natalie Pitaro, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 923-7874 Dr. Niranjan Shah, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 587-0000 Dr. Noorun Khan, M.D.Palos Heights, IL · $1,472 in drug and device payments (2025) ·
(708) 671-1800 Dr. Osama Atieh, M.D.Palos Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 361-5788 Dr. Paul Szyperski, MDPalos Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 923-5474 Dr. Pranav Patel, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 389-7663 Dr. Samantha Hathaway, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 587-0000 Dr. Samina Chaudhry, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 425-9000 Dr. Samina Khan, M.D.Palos Heights, IL · $43 in drug and device payments (2025) ·
(708) 587-0000 Dr. Sandhya Nagubadi, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 429-3700 Dr. Sarah Soni, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 448-0016 Dr. Sarita Keni, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(847) 224-2003 Dr. Sophie Rodrigues Pereira, MDPalos Heights, IL · No drug or device payments recorded (2025) ·
(708) 923-4000 Dr. Zulfiqar Rizvi, M.D.Palos Heights, IL · $442 in drug and device payments (2025) ·
(708) 371-1030 Dr. Andrew Macri, D.O.Palos Hills, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 425-9000 Dr. Chandrarekha Kaza, M.D.Palos Hills, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 425-9000 Dr. Dadhija Patel, DOPalos Hills, IL · No drug or device payments recorded (2025) ·
(708) 425-9000 Dr. Entessar AbdullaPalos Hills, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 425-9000 Dr. Karem AlashwalPalos Hills, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 425-9000 Dr. Leen Alkhouli, MDPalos Hills, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 274-5252 Dr. Paul Mcfarlane, M.D.Palos Hills, IL · No drug or device payments recorded (2025) ·
(708) 430-0008 Dr. Vijay Bajaj, M.D.Palos Hills, IL · $116 in drug and device payments (2025) ·
(708) 598-4430 Dr. Peter Puthenveetil, MDPark City, IL · $656 in drug and device payments (2025) · Telehealth ·
(847) 662-0978 Dr. Sheila Maliekel, MDPark City, IL · No drug or device payments recorded (2025) ·
(847) 662-0978 Dr. Ali Minhas, MDPark Forest, IL · No drug or device payments recorded (2025) ·
(708) 283-3000 Dr. Nader Tobia, M.D.Park Forest, IL · $1,307 in drug and device payments (2025) ·
(708) 283-3384 Dr. Abshar Khan, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 723-2210 Dr. Aditya Lakkamsani, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Ahmad KawjiPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Aisha Imam, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-2500 Dr. Alan Bain, D.O.Park Ridge, IL · $19 in drug and device payments (2025) · Telehealth ·
(312) 236-7010 Dr. Alexander Ellyin, MDPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Amal Rohail, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Amberdeep SinghPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Ami Shah, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 723-2210 Dr. Anand Patel, D.OPark Ridge, IL · $272 in drug and device payments (2025) ·
(847) 723-2210 Dr. Andrea Bazan, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 299-7888 Dr. Andrew Brandser, MDPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 723-2210 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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