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. Glenn Kushner, MDMelrose Park, IL · $142 in drug and device payments (2025) ·
(708) 343-0660 Dr. Helene Ruiz Pla, MDMelrose Park, IL · $539 in drug and device payments (2025) ·
(708) 345-5272 Dr. Hema Azad, MDMelrose Park, IL · $43 in drug and device payments (2025) ·
(708) 486-2700 Dr. Jaime Escobar, MDMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 343-0420 Dr. James Koop, M.D.Melrose Park, IL · $783 in drug and device payments (2025) · Telehealth ·
(708) 450-5070 Dr. Joan Veits, M.D.Melrose Park, IL · No drug or device payments recorded (2025) ·
(708) 938-7580 Dr. Krishna Chaitanya Kottapalli, MDMelrose Park, IL · $91 in drug and device payments (2025) ·
(708) 344-2161 Dr. Leonard Dubin, M.D.Melrose Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 632-5566 Dr. Mandana Faghani, MDMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Michelle Kassen, M.D., MPHMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Peter Eupierre, M.D.Melrose Park, IL · $174 in drug and device payments (2025) ·
(708) 345-2035 Dr. Phanivardhan Babireddy, M.DMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Praveen Sunkara, M.D.Melrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Richard Viglione, MDMelrose Park, IL · $378 in drug and device payments (2025) ·
(708) 681-7373 Dr. Rodney Schainis, M.D.Melrose Park, IL · $1,093 in drug and device payments (2025) ·
(708) 450-5070 Dr. Sajan Thomas, M.D.Melrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Samreen Mattoo, M.D.Melrose Park, IL · $79 in drug and device payments (2025) ·
(708) 938-7350 Dr. Shyam Vadlapatla, M.D.,Melrose Park, IL · $257 in drug and device payments (2025) · Telehealth ·
(708) 344-2161 Dr. Sunil Kumar Thaghalli, M.DMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 344-2161 Dr. Suzanne Pham, M.D.Melrose Park, IL · No drug or device payments recorded (2025) ·
(708) 681-3200 Dr. Deepak Nathani, M.D.Mendota, IL · No drug or device payments recorded (2025) ·
(815) 539-3405 Dr. Michael Debre, MDMerrionette Park, IL · No drug or device payments recorded (2025) ·
(708) 684-6867 Dr. Daniel O'brien, M.D.Metamora, IL · No drug or device payments recorded (2025) ·
(309) 367-2321 Dr. Bharat Patel, SCMetropolis, IL · $430 in drug and device payments (2025) ·
(618) 524-2182 Dr. Richard Phillis, MDMilan, IL · No drug or device payments recorded (2025) ·
(309) 787-0955 Dr. Crisanto Reyes, M.D.Milford, IL · $342 in drug and device payments (2025) ·
(815) 889-4241 Dr. Erin Friedman, D.O.Millstadt, IL · $499 in drug and device payments (2025) ·
(618) 476-3373 Dr. Jacqueline Mokfi, MDMishawaka, IL · No drug or device payments recorded (2025) ·
(574) 335-5000 Dr. Da Young Song, MDMokena, IL · No drug or device payments recorded (2025) · Telehealth ·
(779) 334-0020 Dr. Michelle Puzio-bell, D.O.Mokena, IL · No drug or device payments recorded (2025) · Telehealth ·
(779) 334-0020 Dr. Orest Horodysky, MDMokena, IL · No drug or device payments recorded (2025) ·
(815) 469-2123 Dr. Ahmed Khalafallah, MD Dr. Ahmed Okba, MDMoline, IL · $603 in drug and device payments (2025) · Telehealth ·
(309) 779-4200 Dr. Alex Pareigis, MDMoline, IL · No drug or device payments recorded (2025) ·
(309) 779-4200 Dr. Anis Ahmad, M.D., F.R.C.P.Moline, IL · No drug or device payments recorded (2025) ·
(309) 762-6161 Dr. Ashlee Holst, D.O.Moline, IL · $24 in drug and device payments (2025) · Telehealth ·
(309) 779-4200 Dr. Balakrishna Mundodi, M.D.Moline, IL · No drug or device payments recorded (2025) ·
(309) 743-6700 Dr. Christina Stoller, AGPCNP-BCMoline, IL · $1,995 in drug and device payments (2025) ·
(309) 277-1461 Dr. Crystal Bolser, AGNPMoline, IL · $1,684 in drug and device payments (2025) ·
(309) 736-5568 Dr. David Ade, MDMoline, IL · $39 in drug and device payments (2025) · Telehealth ·
(309) 623-7100 Dr. Elizabeth Pareigis, M.D.Moline, IL · $67 in drug and device payments (2025) · Telehealth ·
(309) 779-4225 Dr. Hanumantha Kolusu, M.D.Moline, IL · No drug or device payments recorded (2025) ·
(563) 243-2022 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 7,189 in the directory Ask Zach for help choosing
Related
