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. Leoncio Dizon, MDJerseyville, IL · $2,444 in drug and device payments (2025) ·
(618) 498-7518 Dr. Lester Crancer, DOJerseyville, IL · $218 in drug and device payments (2025) ·
(618) 498-2101 Dr. Srirama Kurella, M.D.Jerseyville, IL · No drug or device payments recorded (2025) ·
(618) 498-7518 Dr. Khalid Javed, M.D.Johnston City, IL · $272 in drug and device payments (2025) ·
(618) 983-6911 Dr. Zlatko Haveric, M.D.Jolie, IL · No drug or device payments recorded (2025) ·
(815) 725-7133 Dr. Andrew Wunderlich, M.D.Joliet, IL · $353 in drug and device payments (2025) · Telehealth ·
(815) 741-4445 Dr. Celeste Kaliski, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 741-1305 Dr. Daniel Gutierrez, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 727-4292 Dr. Diana Jaime, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 727-4292 Dr. Eleanor Bautista, M.D.Joliet, IL · $66 in drug and device payments (2025) · Telehealth ·
(815) 514-2425 Dr. Folashade Kareem, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Gary Trager, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-3440 Dr. James Wright, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-7133 Dr. John Sifuentes, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 727-8670 Dr. Joseph Hindo, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 744-4440 Dr. Katherine Spangenberg, M.D.Joliet, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 725-2121 Dr. Kishor Ajmere, MDJoliet, IL · No drug or device payments recorded (2025) ·
(815) 744-6005 Dr. Liji Mathew, MDJoliet, IL · $229 in drug and device payments (2025) · Telehealth ·
(815) 725-2121 Dr. Maria Cole, DOJoliet, IL · $929 in drug and device payments (2025) · Telehealth ·
(815) 300-7764 Dr. Marionette Jayaprakash, M. D.Joliet, IL · No drug or device payments recorded (2025) · Telehealth ·
(815) 741-4445 Dr. Michael Coughlin, MDJoliet, IL · No drug or device payments recorded (2025) ·
(815) 740-8100 Dr. Mony Sarcu, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Mustafa Aladin, M.D.Joliet, IL · $534 in drug and device payments (2025) · Telehealth ·
(815) 726-2200 Dr. Nour Kabbani, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 730-3304 Dr. Paola Molina, M.DJoliet, IL · No drug or device payments recorded (2025) ·
(847) 381-5599 Dr. Paramjit Sikand, M.D.Joliet, IL · $36 in drug and device payments (2025) · Telehealth ·
(815) 726-2200 Dr. Patricia Langehennig, MD, MPHJoliet, IL · No drug or device payments recorded (2025) ·
(815) 722-7000 Dr. Philip Serna, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Punit Vajaria, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Robert Quevillon, MDJoliet, IL · No drug or device payments recorded (2025) ·
(815) 726-3377 Dr. Robert Schubert, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Robert Schubert, M.D. Dr. Samindi Gunasekara, M.D.Joliet, IL · $45 in drug and device payments (2025) · Telehealth ·
(815) 725-2121 Dr. Samiullah Choudry, M.D. Dr. Shahid Masood, MDJoliet, IL · $30 in drug and device payments (2025) · Telehealth ·
(815) 741-3532 Dr. Stephen Epner, MDJoliet, IL · No drug or device payments recorded (2025) ·
(815) 744-0808 Dr. Theodore Dastych, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 741-1126 Dr. Umair Nazeer, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-2121 Dr. Vairavan Viswanathan, M.D.Joliet, IL · $251 in drug and device payments (2025) · Telehealth ·
(815) 725-2121 Dr. Valbona Behaj, M.D.Joliet, IL · No drug or device payments recorded (2025) ·
(815) 725-7133 Dr. Valerie Voss, MDJoliet, IL · No drug or device payments recorded (2025) ·
(815) 582-3538 Dr. Mary Pitaro, M.D.Justice, IL · No drug or device payments recorded (2025) ·
(708) 563-0088 Dr. Samuel Fernando, MDJustice, IL · No drug or device payments recorded (2025) ·
(708) 458-7474 Dr. Abdul Saboor, M.D.Kankakee, IL · No drug or device payments recorded (2025) ·
(815) 939-8011 Dr. Alketa Zyka, DOKankakee, IL · $25 in drug and device payments (2025) ·
(815) 933-1671 Dr. Charles Swanson, DOKankakee, IL · $490 in drug and device payments (2025) ·
(815) 928-6274 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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