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. Radhika Kosaraju, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 967-5476 Dr. Rajyalaxmi Mullapudi, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 226-2000 Dr. Robert Hahnel, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 971-2000 Dr. Robert Larson, DORockford, IL · No drug or device payments recorded (2025) ·
(815) 519-6087 Dr. Roy El KoussaRockford, IL · $24 in drug and device payments (2025) ·
(815) 971-2000 Dr. Rubina Ehtesham, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 971-4025 Dr. Saima Naeem, M.D.,Rockford, IL · No drug or device payments recorded (2025) ·
(815) 971-5000 Dr. Shadi Marina, M.D.Rockford, IL · $51 in drug and device payments (2025) ·
(815) 968-4400 Dr. Shaheen AhmedRockford, IL · No drug or device payments recorded (2025) ·
(817) 971-7000 Dr. Sirisha Ganji, MDRockford, IL · No drug or device payments recorded (2025) ·
(773) 383-1165 Dr. Solab Chitrakar, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 227-8331 Dr. Srinivas Gullapalli, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 381-7715 Dr. Suchit Lingam, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 968-4400 Dr. Susan Deguide, M.D.Rockford, IL · No drug or device payments recorded (2025) ·
(815) 987-1802 Dr. Syed Rizvi, MDRockford, IL · $143 in drug and device payments (2025) ·
(779) 696-0300 Dr. Thomas Brefeld, MDRockford, IL · $147 in drug and device payments (2025) ·
(815) 971-4066 Dr. Thordur Agustsson, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 971-2000 Dr. Uthman Younis, MDRockford, IL · $90 in drug and device payments (2025) ·
(636) 346-0010 Dr. Venkata Dontaraju, M.D, MRCPRockford, IL · No drug or device payments recorded (2025) ·
(815) 971-4066 Dr. Waqas Ahmad, MDRockford, IL · $433 in drug and device payments (2025) ·
(815) 971-2000 Dr. Willard Moore, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 971-2000 Dr. Zackary Franzen, MDRockford, IL · No drug or device payments recorded (2025) ·
(815) 226-2000 Dr. Zubair Vhora, DORockford, IL · No drug or device payments recorded (2025) ·
(815) 494-5689 Dr. Aamir Pasha, M.D.Rock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-2754 Dr. Axi Patel, MD, MPHRock Island, IL · $42 in drug and device payments (2025) ·
(309) 779-3670 Dr. Bhanu Ravindran, MDRock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-5000 Dr. Chukwuemeka Nzewi, M.DRock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-3106 Dr. Deepak Ahuja, M.D.Rock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-2904 Dr. Irfan Ankolkar, MDRock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-5000 Dr. Muhammad KhanRock Island, IL · No drug or device payments recorded (2025) · Telehealth ·
(309) 779-3101 Dr. Quang Tung Nguyen, M.D.Rock Island, IL · $143 in drug and device payments (2025) · Telehealth ·
(309) 779-3100 Dr. Sanjay Pancholi, D.O.Rock Island, IL · $386 in drug and device payments (2025) ·
(563) 327-2100 Dr. Seetharam Mannem, MD., MRCPUKRock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-5000 Dr. Steven Ray, MDRock Island, IL · No drug or device payments recorded (2025) ·
(309) 794-0590 Dr. Vijayalakshmi MukkamallaRock Island, IL · No drug or device payments recorded (2025) ·
(309) 779-3101 Dr. Andrew Krock, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-7107 Dr. Catherine Wood, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 255-7107 Dr. Donald Cyborski, MDRolling Meadows, IL · No drug or device payments recorded (2025) ·
(847) 255-7107 Dr. Ghanshyam Shah, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) ·
(847) 255-7107 Dr. Hetal Shah, M.D.Rolling Meadows, IL · $73 in drug and device payments (2025) · Telehealth ·
(847) 255-7107 Dr. Jongho Ham, MDRolling Meadows, IL · $985 in drug and device payments (2025) · Telehealth ·
(847) 255-7107 Dr. Jowella Pineda, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-0850 Dr. Judith Knipple, M.D.Rolling Meadows, IL · $233 in drug and device payments (2025) · Telehealth ·
(847) 618-0800 Dr. Kenneth Mcquade, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) ·
(847) 788-0700 Dr. Maria Powell, M.D.Rolling Meadows, IL · No drug or device payments recorded (2025) ·
(847) 788-0700 Dr. Marina Messinger, M.D.Rolling Meadows, IL · $1,322 in drug and device payments (2025) · Telehealth ·
(847) 577-0620 Dr. Marvin Peiken, MDRolling Meadows, IL · No drug or device payments recorded (2025) ·
(847) 255-7107 Dr. May Soong, M.D.Rolling Meadows, IL · $18 in drug and device payments (2025) ·
(847) 777-4340 Dr. Ruhi Askari, M.DRolling Meadows, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 870-0506 Dr. Steven Kim, MDRolling Meadows, IL · $141 in drug and device payments (2025) ·
(847) 255-7107 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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