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. Michael Glickman, MDMount Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Misbah RazviMount Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Nigel Walters, MDMount Prospect, IL · $1,311 in drug and device payments (2025) · Telehealth ·
(847) 618-5450 Dr. Philip Kiley, M.D.Mount Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Ronnie Ghuneim, M.D.Mount Prospect, IL · $886 in drug and device payments (2025) · Telehealth ·
(847) 618-5450 Dr. Shahid Sarwar, M.DMount Prospect, IL · No drug or device payments recorded (2025) ·
(847) 228-5557 Dr. Sheilendr Khipple, MDMount Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Brian Hughes, M.D.Mount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 241-1000 Dr. Daniel Hoffman, MDMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 899-4000 Dr. Douglas Frankel, M.D.Mount Vernon, IL · $39 in drug and device payments (2025) ·
(618) 241-1000 Dr. Edgardo Emilia, MDMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 241-6015 Dr. Ferdinand Apostol, M.D.Mount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 899-4000 Dr. Ismat Cheema, DOMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 899-3607 Dr. Jitendra Trivedi, MDMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 899-3600 Dr. Megan Neely, M.D.Mount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 244-4313 Dr. Michael Ambrose, MDMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 241-2212 Dr. Qing Luo, M.D.Mount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 242-4600 Dr. Rabia Zahid, DOMount Vernon, IL · $40 in drug and device payments (2025) ·
(309) 339-2906 Dr. Saad RashidMount Vernon, IL · No drug or device payments recorded (2025) ·
(618) 623-2693 Dr. Sudeep Nair, MDMount Vernon, IL · No drug or device payments recorded (2025) · Telehealth ·
(618) 899-3777 Dr. William Huffstutler, MDMount Vernon, IL · $610 in drug and device payments (2025) ·
(618) 244-4313 Dr. Andreas Seidler, MDMt Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Evans Sirois, D.OMt Prospect, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-5450 Dr. Harbans Mavi, MDMt Prospect, IL · No drug or device payments recorded (2025) ·
(847) 670-0800 Dr. Mark Shields, M.D.Mt Prospect, IL · No drug or device payments recorded (2025) ·
(847) 635-4447 Dr. Michelle Seo, MDMt Prospect, IL · $54 in drug and device payments (2025) ·
(847) 618-5450 Dr. Thomas Reese, M.D.Mt Prospect, IL · No drug or device payments recorded (2025) ·
(630) 690-9326 Dr. Shaji MohammedMt. Vernon, IL · No drug or device payments recorded (2025) ·
(618) 899-1006 Dr. Bruce Hyman, M.D.Mundelein, IL · No drug or device payments recorded (2025) ·
(847) 566-5200 Dr. David Chiou, M.D.Mundelein, IL · $220 in drug and device payments (2025) ·
(847) 566-0300 Dr. Nina Neyman, M.D.Mundelein, IL · No drug or device payments recorded (2025) ·
(847) 566-0300 Dr. Sergei Shevlyagin, MDMundelein, IL · $45 in drug and device payments (2025) · Telehealth ·
(847) 548-9777 Dr. Sindhuja MuddamMundelein, IL · $19 in drug and device payments (2025) · Telehealth ·
(847) 837-8442 Dr. Adam Schriedel, M.D.Naperville, IL · No drug or device payments recorded (2025) ·
(630) 527-5000 Dr. Alicia Lee, MDNaperville, IL · $100 in drug and device payments (2025) · Telehealth ·
(630) 961-4155 Dr. Alla Jusufi, MDNaperville, IL · $981 in drug and device payments (2025) · Telehealth ·
(630) 646-6200 Dr. Amish Doshi, M.D.Naperville, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 527-3000 Dr. Aristidis Hatzidimitriadis, MDNaperville, IL · $573 in drug and device payments (2025) ·
(630) 527-7780 Dr. Arun Kumar, MDNaperville, IL · $140 in drug and device payments (2025) ·
(630) 579-4668 Dr. Asima Doriwala, MDNaperville, IL · No drug or device payments recorded (2025) ·
(630) 717-8707 Dr. Audrey Geannopoulos, M.D.Naperville, IL · $159 in drug and device payments (2025) ·
(630) 717-8707 Dr. Ayesha Khan, MDNaperville, IL · $137 in drug and device payments (2025) ·
(630) 527-5000 Dr. Barbara Emery-stolzer, MDNaperville, IL · No drug or device payments recorded (2025) ·
(630) 646-6200 Dr. Barry Fischer, M.DNaperville, IL · No drug or device payments recorded (2025) ·
(630) 548-5936 Dr. Brian O'leary, MDNaperville, IL · $322 in drug and device payments (2025) · Telehealth ·
(630) 946-2565 Dr. Brian Schmitt, M.D.Naperville, IL · No drug or device payments recorded (2025) ·
(630) 717-6019 Dr. Carol Weinberg, MDNaperville, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 717-1771 Dr. Cathleen Cregier, APNNaperville, IL · No drug or device payments recorded (2025) ·
(630) 527-7780 Dr. Christine Amstadt, MDNaperville, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 355-5302 Dr. Cicily Jones, MDNaperville, IL · $2,619 in drug and device payments (2025) · Telehealth ·
(630) 355-4755 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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