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. Dennis Asensio, M.D.Lisle, IL · No drug or device payments recorded (2025) ·
(630) 579-9817 Dr. Jennifer Kassir, M.D.Lisle, IL · $17 in drug and device payments (2025) · Telehealth ·
(630) 432-6180 Dr. Kate Hoppock, DOLisle, IL · $39 in drug and device payments (2025) · Telehealth ·
(630) 873-8875 Dr. Kevin Regan, MDLisle, IL · $62 in drug and device payments (2025) · Telehealth ·
(630) 432-6180 Dr. Latha Arla, DOLisle, IL · $119 in drug and device payments (2025) · Telehealth ·
(630) 315-8800 Dr. Rakhee Kalelkar, MDLisle, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 315-8800 Dr. Robert Winiecki, M.D.Lisle, IL · No drug or device payments recorded (2025) ·
(630) 964-1844 Dr. Sally Salman, MDLisle, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 432-6180 Dr. Sonya Tolani, M.D.Lisle, IL · $110 in drug and device payments (2025) · Telehealth ·
(630) 432-6180 Dr. Wa'el Abdo, M.D.Lisle, IL · No drug or device payments recorded (2025) ·
(866) 653-6279 Dr. Zvezdana Ilic Bogojevic, M.D.Lisle, IL · No drug or device payments recorded (2025) ·
(630) 646-6200 Dr. Daniel Co, MDLockport, IL · $174 in drug and device payments (2025) ·
(815) 838-7965 Dr. Muhammad Anwar, M.D.Lockport, IL · $27 in drug and device payments (2025) · Telehealth ·
(815) 834-1903 Dr. Muhammed Longi, M.D.Lockport, IL · $125 in drug and device payments (2025) · Telehealth ·
(815) 838-7337 Dr. Anshul Pandey, M.D.Lombard, IL · $163 in drug and device payments (2025) · Telehealth ·
(630) 627-4722 Dr. Brian Medernach, BRIAN MEDERNACHLombard, IL · $184 in drug and device payments (2025) ·
(630) 247-8877 Dr. Carl Barsanti, M.D.Lombard, IL · $1,893 in drug and device payments (2025) · Telehealth ·
(630) 932-2040 Dr. Catherine Grotelueschen, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 932-2020 Dr. Christine SolansLombard, IL · No drug or device payments recorded (2025) ·
(630) 932-2020 Dr. Connie NacopoulosLombard, IL · No drug or device payments recorded (2025) ·
(630) 247-3083 Dr. David Dungan, MDLombard, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 627-4722 Dr. Debra Schwartzers, MDLombard, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 627-4722 Dr. Dhara Naik, DOLombard, IL · $94 in drug and device payments (2025) · Telehealth ·
(630) 387-6424 Dr. Eileen Collins, M.D.Lombard, IL · $14 in drug and device payments (2025) · Telehealth ·
(630) 932-2020 Dr. Elaine Spirakes, MDLombard, IL · $94 in drug and device payments (2025) · Telehealth ·
(630) 387-6424 Dr. Elizabeth Smith, MDLombard, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 627-4722 Dr. Emela Vukomanovic, MD Dr. Farah Tazeen, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 785-3255 Dr. Fida Bachour, MDLombard, IL · No drug or device payments recorded (2025) ·
(630) 268-1886 Dr. Iram Ahmed, MDLombard, IL · $595 in drug and device payments (2025) · Telehealth ·
(630) 429-9000 Dr. Jacques Jentel, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 627-4722 Dr. Julia Andreoni, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 627-4722 Dr. Karim Yunez, M.D.Lombard, IL · $15,907 in drug and device payments (2025) · Telehealth ·
(630) 627-3700 Dr. Kathleen Kicsak, MDLombard, IL · No drug or device payments recorded (2025) ·
(630) 627-4722 Dr. Kris Alloju, MDLombard, IL · No drug or device payments recorded (2025) ·
(630) 705-0065 Dr. Laura Vetrone, MD.Lombard, IL · No drug or device payments recorded (2025) ·
(331) 221-9001 Dr. Marcin Baber, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 932-2020 Dr. Marius Teodorescu, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 627-6069 Dr. Michael Kwiecinski, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 932-2020 Dr. Michael MillerLombard, IL · No drug or device payments recorded (2025) ·
(630) 627-4722 Dr. Mohammad Razi, MDLombard, IL · $30 in drug and device payments (2025) · Telehealth ·
(331) 221-9001 Dr. Morgan Meyer, MDLombard, IL · No drug or device payments recorded (2025) ·
(630) 627-4722 Dr. Nadeem Mughal, M.D.Lombard, IL · No drug or device payments recorded (2025) ·
(630) 376-3617 Dr. Nasser Boshra, M.DLombard, IL · $563 in drug and device payments (2025) · Telehealth ·
(630) 627-4722 Dr. Ninel Kandel, MDLombard, IL · $19 in drug and device payments (2025) · Telehealth ·
(331) 221-9001 Dr. Ojash Bhagwakar, MDLombard, IL · $396 in drug and device payments (2025) · Telehealth ·
(630) 627-4722 Dr. Rong Tu, M.D.Lombard, IL · $1,354 in drug and device payments (2025) ·
(630) 932-2040 Dr. Shawn George, DOLombard, IL · $1,552 in drug and device payments (2025) · Telehealth ·
(630) 932-2055 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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