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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 in Chicago2,841 providers
Internal Medicine in Maywood252 providers
Internal Medicine in Springfield196 providers
Internal Medicine in Evanston180 providers
Internal Medicine in Peoria171 providers
Internal Medicine in Oak Lawn169 providers
Internal Medicine in Park Ridge160 providers
Internal Medicine in Urbana142 providers
Internal Medicine in Rockford81 providers
Internal Medicine in Naperville73 providers
Internal Medicine in Mchenry72 providers
Internal Medicine in Berwyn68 providers
Internal Medicine in Skokie64 providers
Internal Medicine in Elgin61 providers
Internal Medicine in Oak Park59 providers
Internal Medicine in Glenview58 providers
Internal Medicine in Arlington Heights53 providers
Internal Medicine in Elmhurst48 providers
Internal Medicine in Decatur44 providers
Internal Medicine in Aurora44 providers
Internal Medicine in Long Grove42 providers
Internal Medicine in North Chicago41 providers
Internal Medicine in Joliet40 providers
Internal Medicine in Lombard38 providers

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. James Mowery, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-3900
Dr. James Skopec, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-3900
Dr. Jeffrey Tomlin, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (779) 244-3072
Dr. Jesus Galindo Castaneda, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (619) 636-6992
Dr. John Anderson, D.O.
Mchenry, IL · $45 in drug and device payments (2025) · Telehealth · (815) 338-6600
Dr. Joseph Fojtik, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-4499
Dr. Kiley Loch, APRN
Mchenry, IL · No drug or device payments recorded (2025) · (779) 244-3072
Dr. Komal Malik, MD
Mchenry, IL · $38 in drug and device payments (2025) · (815) 344-5000
Dr. Laith Alquran, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Lalithya Posham, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Lavanya Nagarajan, M.B.B.S.
Mchenry, IL · $51 in drug and device payments (2025) · (815) 759-4726
Dr. Mahpara Ali, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (215) 344-5000
Dr. Mariam Khabsa, MD
Mchenry, IL · $2,210 in drug and device payments (2025) · (815) 344-5000
Dr. Mevlut Ozmen, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Mina Fattah Khudhair, M.D.
Mchenry, IL · $138 in drug and device payments (2025) · (815) 759-4726
Dr. Mitali Patel, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4323
Dr. Mohamed Elmarasi, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Nicolas Gisellie
Mchenry, IL · No drug or device payments recorded (2025) · (848) 203-0108
Dr. Nissie Pogula, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 338-6600
Dr. Omar Fakhoury, DO
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Om Parkash
Mchenry, IL · $33 in drug and device payments (2025) · (815) 338-6600
Dr. Osama Mustafa, M.D
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Oscar Sanchez, M.D.
Mchenry, IL · $128 in drug and device payments (2025) · (815) 578-0224
Dr. Parag Amin, DO
Mchenry, IL · $239 in drug and device payments (2025) · (815) 759-4323
Dr. Parmod Narang, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-1500
Dr. Preksha Shah, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Saad Khan, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Saad Waraich, M.D
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Saiyara Shama, MD
Mchenry, IL · $149 in drug and device payments (2025) · (815) 344-5000
Dr. Sanath Savithri Nandeesha, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Sanjukta Mitra, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-0621
Dr. Siad Adam, M.D
Mchenry, IL · $102 in drug and device payments (2025) · (815) 344-5000
Dr. Sindhu Gujjari, MBBS
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Sneha Kumar
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Suheyla Karaduman, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Syed Shuja, M.D
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Tanzeela Shuja, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Teresa Kuo
Mchenry, IL · No drug or device payments recorded (2025) · Telehealth · (800) 455-6768
Dr. Thomas Tilot, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 385-1101
Dr. Ummarah Jaffar, MD
Mchenry, IL · No drug or device payments recorded (2025) · (814) 344-5000
Dr. Velislava Lozeva, DO
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-4499
Dr. Vishal Garimella, M.B.B.S.
Mchenry, IL · $115 in drug and device payments (2025) · (815) 344-5000
Dr. Yoana Palatianos De Araujo, M.D.
Mchenry, IL · No drug or device payments recorded (2025) · (815) 759-4726
Dr. Yuliana Kvasha, MD
Mchenry, IL · No drug or device payments recorded (2025) · (815) 344-5000
Dr. Yuliana Petryshyn, MD
Mchenry, IL · $358 in drug and device payments (2025) · (815) 344-5000
Dr. Kadhiresan Murugappan, MD SC
Mc Leansboro, IL · No drug or device payments recorded (2025) · (618) 643-2361
Dr. Robert Ringhofer, M.D.
Mc Leansboro, IL · No drug or device payments recorded (2025) · (618) 643-2361
Dr. Alpa Garg, M.D
Melrose Park, IL · $87 in drug and device payments (2025) · (708) 344-2161
Dr. Amanda Buchanan, M.D.
Melrose Park, IL · No drug or device payments recorded (2025) · (708) 938-4000
Dr. Anthony Martino, M.D.
Melrose Park, IL · $54 in drug and device payments (2025) · (708) 345-8255

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.

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

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Illinois? Get featured.