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. Hepsi Kalapala, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Irina Domjan, M.D.Hinsdale, IL · $310 in drug and device payments (2025) · Telehealth ·
(630) 323-3540 Dr. Iulia Oana, MDHinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Jason Griffin, MDHinsdale, IL · $37 in drug and device payments (2025) · Telehealth ·
(630) 323-3540 Dr. John Nighswander, MDHinsdale, IL · No drug or device payments recorded (2025) ·
(630) 323-3540 Dr. Komal Koya, D.OHinsdale, IL · $379 in drug and device payments (2025) · Telehealth ·
(630) 654-3376 Dr. Kyle Kunz, MDHinsdale, IL · $188 in drug and device payments (2025) ·
(855) 947-7371 Dr. Lalitha Darbha, M.D.Hinsdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 371-0133 Dr. Lana Kashlan, M.D.Hinsdale, IL · $589 in drug and device payments (2025) ·
(630) 463-9141 Dr. Maged Saad, MDHinsdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 400-4194 Dr. Maninder Kohli, M.D.Hinsdale, IL · $471 in drug and device payments (2025) · Telehealth ·
(630) 590-5751 Dr. Martha Calden, DOHinsdale, IL · No drug or device payments recorded (2025) ·
(630) 390-1240 Dr. Milton Legrand, MDHinsdale, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 323-3540 Dr. Muna Enshiwat-salman, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Navya Madamala, MDHinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Peter Makar, DOHinsdale, IL · $173 in drug and device payments (2025) · Telehealth ·
(630) 323-3540 Dr. Prabhu Shivalingappa, M.D.Hinsdale, IL · $3,078 in drug and device payments (2025) · Telehealth ·
(630) 232-7833 Dr. Preethi Sasikumar, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Richard Balsamo, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 986-9367 Dr. Robert Carbone, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 323-3540 Dr. Steven Beltran, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Sung Ah Lee, D.O.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Svetlana Stancheva, MDHinsdale, IL · $88 in drug and device payments (2025) · Telehealth ·
(630) 323-3540 Dr. Thomas Gallagher, MDHinsdale, IL · $245 in drug and device payments (2025) ·
(630) 323-3540 Dr. Tingting Zhou, MDHinsdale, IL · $228 in drug and device payments (2025) · Telehealth ·
(630) 323-3540 Dr. Veena Prabhu, M.D.Hinsdale, IL · $2,786 in drug and device payments (2025) · Telehealth ·
(630) 323-7833 Dr. Walter Arand, M.D.Hinsdale, IL · No drug or device payments recorded (2025) ·
(630) 323-3540 Dr. Xiaoping Xu, M.D.Hinsdale, IL · $103 in drug and device payments (2025) ·
(630) 655-9988 Dr. Zainab Ali Baig, MDHinsdale, IL · No drug or device payments recorded (2025) ·
(630) 371-0133 Dr. Aelia Akbar, MDHoffman Estates, IL · $21 in drug and device payments (2025) · Telehealth ·
(630) 469-9200 Dr. David Ginsburg, MDHoffman Estates, IL · $85 in drug and device payments (2025) ·
(847) 843-7030 Dr. Edward Kogan, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 884-7111 Dr. Gaston Carrasco, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 884-7111 Dr. Geoffrey Sebastian, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 839-1111 Dr. Howard Mangurten, MDHoffman Estates, IL · $21 in drug and device payments (2025) ·
(847) 884-8420 Dr. Jairus Lukose, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 843-7030 Dr. Januario Estrada, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 844-3199 Dr. Jayashree Raju, D.O.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 221-2900 Dr. Joelle Sarroca, MDHoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 466-1918 Dr. Khursheed Ahmed, MDHoffman Estates, IL · No drug or device payments recorded (2025) ·
(630) 469-9200 Dr. Lawrence Bergman, MDHoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 839-2665 Dr. Manish Sawlani, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 882-0988 Dr. Manuel Perez, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 755-3255 Dr. Mary George, M.D.Hoffman Estates, IL · $483 in drug and device payments (2025) ·
(847) 884-3920 Dr. Meena Krishna, M.DHoffman Estates, IL · $20 in drug and device payments (2025) · Telehealth ·
(847) 843-7030 Dr. Michael Appiagyei, M.D.Hoffman Estates, IL · $165 in drug and device payments (2025) ·
(847) 278-7633 Dr. Monika Lastowiecka, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 895-0440 Dr. Nick Riccardo, M.D.Hoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 884-7111 Dr. Norris Hsu, MDHoffman Estates, IL · $316 in drug and device payments (2025) · Telehealth ·
(847) 884-7111 Dr. Percival Bigol, MDHoffman Estates, IL · No drug or device payments recorded (2025) ·
(847) 885-3101 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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