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. Sanjay Pethkar, M.D.Plainfield, IL · $42 in drug and device payments (2025) · Telehealth ·
(815) 609-3627 Dr. Shalin Shah, M.D.Plainfield, IL · $2,525 in drug and device payments (2025) · Telehealth ·
(630) 364-7850 Dr. Soraya Sharfaei, MDPlainfield, IL · $34 in drug and device payments (2025) · Telehealth ·
(219) 365-8533 Dr. Varun Kalhan, DOPlainfield, IL · $661 in drug and device payments (2025) ·
(815) 676-2575 Dr. Zeba ShethwalaPlainfield, IL · $515 in drug and device payments (2025) · Telehealth ·
(815) 676-2575 Dr. Ravinderpal Nandra, M.D.Plano, IL · $160 in drug and device payments (2025) · Telehealth ·
(630) 552-7166 Dr. Saroor Alam, MDPlano, IL · No drug or device payments recorded (2025) ·
(630) 552-8826 Dr. James Mikeworth, M.D.Pontiac, IL · No drug or device payments recorded (2025) ·
(815) 844-2001 Dr. Jayme Kwak, M.D.Pontiac, IL · No drug or device payments recorded (2025) ·
(815) 842-2828 Dr. John Rinker, M.D.Pontiac, IL · No drug or device payments recorded (2025) ·
(815) 844-5115 Dr. Marissa Batayola, M.D.Pontiac, IL · No drug or device payments recorded (2025) ·
(815) 842-2893 Dr. Ketan Patel, MDPrinceton, IL · $48 in drug and device payments (2025) ·
(815) 872-1221 Dr. Shitaldas Pamnani, M.D.Princeton, IL · $23 in drug and device payments (2025) · Telehealth ·
(815) 875-4531 Dr. Timothy Chamberlain, M.D.Prophetstown, IL · No drug or device payments recorded (2025) ·
(815) 537-5168 Dr. Gregory Andrews, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 222-6550 Dr. Imran Shaikh, MDQuincy, IL · $1,711 in drug and device payments (2025) · Telehealth ·
(217) 222-6550 Dr. John Scott, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 222-6550 Dr. Kurt Leimbach, M.D.Quincy, IL · $2,151 in drug and device payments (2025) ·
(217) 222-6550 Dr. Malcolm Findlater, M.D.Quincy, IL · No drug or device payments recorded (2025) ·
(217) 223-8400 Dr. Mary Barthel, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 223-8400 Dr. Mike Hackmann, M.D.Quincy, IL · No drug or device payments recorded (2025) ·
(217) 224-3366 Dr. Nicholas TolatQuincy, IL · No drug or device payments recorded (2025) ·
(217) 223-1200 Dr. Pranathi Koduru, M.DQuincy, IL · No drug or device payments recorded (2025) ·
(217) 222-6550 Dr. Pravinchandra Patel, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 222-6550 Dr. Quazi Mostufa, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 223-8400 Dr. Robert Rectenwald, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 222-6550 Dr. Thomas Westerhoff, M. D.Quincy, IL · No drug or device payments recorded (2025) ·
(217) 222-5055 Dr. William Hyde, MDQuincy, IL · No drug or device payments recorded (2025) ·
(217) 224-3366 Dr. Pichet Santilukka, MDRed Bud, IL · No drug or device payments recorded (2025) ·
(618) 282-3883 Dr. Carlos Reynes, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 771-3471 Dr. Dhana Ganesan, MDRiver Forest, IL · No drug or device payments recorded (2025) ·
(708) 405-6200 Dr. Eileen Ruder, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 434-0782 Dr. Henry Ruder, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 542-9359 Dr. Mary Schraufnagel, MDRiver Forest, IL · No drug or device payments recorded (2025) ·
(708) 488-1919 Dr. Pamela Mulshine, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 488-0434 Dr. Patricia Russell, M.D.River Forest, IL · No drug or device payments recorded (2025) ·
(708) 763-2200 Dr. Paul Abbo, M.D.River Forest, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 763-2328 Dr. Raymond Mcdonald, MDRiver Forest, IL · No drug or device payments recorded (2025) ·
(708) 343-0079 Dr. Sandesh Kuchipudi, M.D.River Forest, IL · $483 in drug and device payments (2025) · Telehealth ·
(708) 387-0121 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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