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. Mario Cote, M.D.Spring Valley, IL · $50 in drug and device payments (2025) ·
(309) 246-2676 Dr. Michael Morrow, MDSpring Valley, IL · No drug or device payments recorded (2025) ·
(815) 663-2811 Dr. Robert Morrow, MDSpring Valley, IL · No drug or device payments recorded (2025) ·
(815) 663-2811 Dr. Manish Mathur, MDStaunton, IL · No drug or device payments recorded (2025) ·
(618) 635-3800 Dr. Mark Day, M.D.Staunton, IL · No drug or device payments recorded (2025) ·
(618) 635-2200 Dr. Rajneesh Jain, M.D.Staunton, IL · No drug or device payments recorded (2025) ·
(618) 635-3800 Dr. Catherine Thomas, M.D.St Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 584-1950 Dr. Laura Tagle, MDSt Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 208-3200 Dr. Lawrence Yoo, MDSt Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 208-3200 Dr. Lori Zimmers, M.D.St Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 208-3200 Dr. Marissa Jama, DOSt Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 208-3200 Dr. Scott Mcnaughton, M.D.St Charles, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 208-3200 Dr. Tracie Wilcox, M.D.St Charles, IL · $156 in drug and device payments (2025) · Telehealth ·
(630) 208-3200 Dr. Vivian Vanroekel, M.D.St Charles, IL · No drug or device payments recorded (2025) ·
(630) 315-6790 Dr. Zbigniew Ciechanowski, M.D.St Charles, IL · No drug or device payments recorded (2025) ·
(630) 513-0298 Dr. Suman Gopal, M.D.Sterling, IL · No drug or device payments recorded (2025) ·
(815) 625-4790 Dr. Todd Gray, MDSterling, IL · $16 in drug and device payments (2025) ·
(815) 625-0400 Dr. Vincent Racanelli, DOSterling, IL · No drug or device payments recorded (2025) ·
(815) 625-4790 Dr. Mohammed Hadi, M.D.Streamwood, IL · $696 in drug and device payments (2025) · Telehealth ·
(630) 483-0200 Dr. Nouman Ali, D.OStreamwood, IL · No drug or device payments recorded (2025) ·
(844) 599-3700 Dr. Indra PalStreator, IL · No drug or device payments recorded (2025) ·
(815) 672-0567 Dr. Sudha Pravinkumar, M.DStreator, IL · No drug or device payments recorded (2025) ·
(815) 672-1382 Dr. Jennifer Reed, M.D.Stronghurst, IL · No drug or device payments recorded (2025) ·
(309) 924-2424 Dr. Faisal Bukhari, MD SCSullivan, IL · $275 in drug and device payments (2025) · Telehealth ·
(217) 728-7353 Dr. Nazeer Shaik, MDSummit, IL · $54 in drug and device payments (2025) · Telehealth ·
(708) 458-7170 Dr. Charles Ampadu, MDSwansea, IL · $1,373 in drug and device payments (2025) ·
(618) 257-0780 Dr. Deborah Mcdermott, M.D. Dr. John English, M.D.Swansea, IL · $631 in drug and device payments (2025) ·
(618) 277-7500 Dr. Khaja Mohsin, MDSwansea, IL · $1,367 in drug and device payments (2025) ·
(618) 235-6780 Dr. Mounir Shenouda, MDSwansea, IL · $3,824 in drug and device payments (2025) ·
(618) 632-3343 Dr. Philip Chu, MDSwansea, IL · $3,561 in drug and device payments (2025) ·
(618) 726-5500 Dr. Victoria Jansen, MDSwansea, IL · $351 in drug and device payments (2025) ·
(618) 277-7500 Dr. Asad Shah, MDSycamore, IL · $341 in drug and device payments (2025) · Telehealth ·
(815) 748-0340 Dr. Dhaval Thakkar, M.D.Sycamore, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 758-8671 Dr. Ilaxi Patel, D.O.Sycamore, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 758-8671 Dr. Imran Kazmi, MDSycamore, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 758-8671 Dr. Manav Salwan, MDSycamore, IL · $1,801 in drug and device payments (2025) · Telehealth ·
(815) 758-4189 Dr. Mohammad Takhtehchian, M.D.Sycamore, IL · No drug or device payments recorded (2025) ·
(815) 895-2144 Dr. Paul Stromborg, MDSycamore, IL · No drug or device payments recorded (2025) ·
(815) 895-9144 Dr. Periakaruppan Ramanathan, MDSycamore, IL · $1,679 in drug and device payments (2025) ·
(815) 756-1434 Dr. Roger Haab, M.D.Sycamore, IL · No drug or device payments recorded (2025) ·
(815) 758-8671 Dr. Shakeel Ahmad, M.D.Sycamore, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 758-8671 Dr. Vasantha Gona, M.D.Sycamore, IL · No drug or device payments recorded (2025) ·
(815) 756-1434 Dr. Pavinderpal Gill, M.D.Taylorville, IL · $823 in drug and device payments (2025) ·
(217) 287-8855 Dr. Richard Delvalle, M.D.Taylorville, IL · $23 in drug and device payments (2025) ·
(217) 321-9310 Dr. Roger Mcclintock, M.D.Taylorville, IL · $623 in drug and device payments (2025) ·
(217) 287-8855 Dr. Carola Nesbitt, M.D.Third Lake, IL · No drug or device payments recorded (2025) ·
(847) 223-2732 Dr. Adeebur Rahman, M.D.Tinley Park, IL · $67 in drug and device payments (2025) ·
(708) 342-3000 Dr. Asad Zaman, M.D.Tinley Park, IL · $125 in drug and device payments (2025) ·
(708) 429-3700 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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