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. Rajesh Sharma, MDWaukegan, IL · $221 in drug and device payments (2025) ·
(847) 220-4103 Dr. Sachin Jain, MDWaukegan, IL · $107 in drug and device payments (2025) · Telehealth ·
(847) 623-7590 Dr. Sana Ahmed, M.D.Waukegan, IL · $20 in drug and device payments (2025) ·
(847) 377-8130 Dr. Satish Batchu, MDWaukegan, IL · No drug or device payments recorded (2025) ·
(847) 666-3494 Dr. William Janes, MDWaukegan, IL · No drug or device payments recorded (2025) ·
(847) 360-8800 Dr. Yoginder Kumar, MDWaukegan, IL · No drug or device payments recorded (2025) ·
(847) 244-6800 Dr. Asha Thomas, M.D.Westchester, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 938-5783 Dr. Walter Morrissey, M.D.Westchester, IL · No drug or device payments recorded (2025) ·
(630) 215-3085 Dr. Monica Gavran, MDWest Dundee, IL · No drug or device payments recorded (2025) ·
(815) 338-6600 Dr. Nathan Kakish, MDWest Dundee, IL · $2,786 in drug and device payments (2025) · Telehealth ·
(815) 338-6600 Dr. Christy Furey, MDWestern Sprgs, IL · No drug or device payments recorded (2025) ·
(708) 246-4155 Dr. Sunil Patel, M.D.Western Springs, IL · $232 in drug and device payments (2025) ·
(630) 654-3023 Dr. Razia Sami, M.DWest Frankfort, IL · $565 in drug and device payments (2025) ·
(618) 932-3166 Dr. Ankit Patel, D.OWestmont, IL · $277 in drug and device payments (2025) ·
(630) 528-3215 Dr. Anne Schultz, MDWestmont, IL · No drug or device payments recorded (2025) ·
(630) 349-6838 Dr. Brandon Segrest, DOWestmont, IL · $231 in drug and device payments (2025) ·
(630) 528-3215 Dr. Cynthia Lagone, MDWestmont, IL · No drug or device payments recorded (2025) ·
(630) 349-6838 Dr. David Sachtleben, MDWestmont, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 963-0309 Dr. Jamal Eddine Daki, M.D.Westmont, IL · $32 in drug and device payments (2025) ·
(630) 528-3215 Dr. Kevin Keuper, MDWestmont, IL · No drug or device payments recorded (2025) ·
(630) 528-3215 Dr. Keyur Shah, M.D.Westmont, IL · No drug or device payments recorded (2025) ·
(630) 528-3215 Dr. Manvinder Singh, MDWestmont, IL · No drug or device payments recorded (2025) ·
(630) 852-5017 Dr. Mayank Bhayana, M.D.Westmont, IL · $23 in drug and device payments (2025) ·
(630) 528-3215 Dr. Melwin Joseph, DOWestmont, IL · $241 in drug and device payments (2025) · Telehealth ·
(630) 528-3215 Dr. Michael Alebich, DOWestmont, IL · $18 in drug and device payments (2025) ·
(630) 349-6838 Dr. Rasha Issa, M.D.Westmont, IL · No drug or device payments recorded (2025) ·
(630) 528-3215 Dr. Rudolph Albores, MDWestmont, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 963-0309 Dr. Shamir Bhatt, M.D.Westmont, IL · No drug or device payments recorded (2025) ·
(630) 963-4570 Dr. Sunny Rajput, DOWestmont, IL · $22 in drug and device payments (2025) ·
(815) 933-1671 Dr. Zeina Kalache, MDWestmont, IL · No drug or device payments recorded (2025) ·
(630) 963-4570 Dr. Anthony Pipitone, DOWheaton, IL · $111 in drug and device payments (2025) · Telehealth ·
(630) 653-0848 Dr. Christopher Santi, M.D.Wheaton, IL · No drug or device payments recorded (2025) ·
(630) 614-4000 Dr. Christopher Tebeau, MDWheaton, IL · $111 in drug and device payments (2025) · Telehealth ·
(630) 653-0848 Dr. Douglas Ambler, MDWheaton, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 653-0848 Dr. Firdose Gill, DOWheaton, IL · $89 in drug and device payments (2025) · Telehealth ·
(630) 653-0848 Dr. James Boyer, DOWheaton, IL · $174 in drug and device payments (2025) · Telehealth ·
(630) 665-6200 Dr. James Erlenborn, M.D.Wheaton, IL · No drug or device payments recorded (2025) ·
(630) 682-0639 Dr. James Scruggs, MDWheaton, IL · $265 in drug and device payments (2025) · Telehealth ·
(630) 665-6200 Dr. Julie Leischner, MDWheaton, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 682-7400 Dr. Maryanne Miller, MDWheaton, IL · No drug or device payments recorded (2025) ·
(630) 665-6200 Dr. Mathew Philip, M.D.Wheaton, IL · $80 in drug and device payments (2025) · Telehealth ·
(630) 946-2800 Dr. Melissa Schumacher, MDWheaton, IL · $111 in drug and device payments (2025) · Telehealth ·
(630) 653-0848 Dr. Nadia Khan, MDWheaton, IL · $111 in drug and device payments (2025) · Telehealth ·
(630) 653-0848 Dr. Oommen Koshy, MDWheaton, IL · No drug or device payments recorded (2025) ·
(630) 682-1254 Dr. Patrick Mackey, M.D.Wheaton, IL · $98 in drug and device payments (2025) · Telehealth ·
(630) 469-7700 Dr. Sapan Patel, MDWheaton, IL · $221 in drug and device payments (2025) · Telehealth ·
(630) 967-2000 Dr. Scott Kolbaba, MDWheaton, IL · $1,311 in drug and device payments (2025) · Telehealth ·
(630) 580-7600 Dr. Sonika Anand, MDWheaton, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 665-5995 Dr. Stephen Pierson, MDWheaton, IL · No drug or device payments recorded (2025) ·
(630) 665-6200 Dr. Jorge Brunelle, MDWheeling, IL · $2,105 in drug and device payments (2025) ·
(847) 465-0401 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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