HealthcareDiscovery.AI / Doctors / Illinois / Internal Medicine

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. Prithul Koirala, MD
Evanston, IL · No drug or device payments recorded (2025) · (872) 806-7413
Dr. Pushpa Dangi
Evanston, IL · No drug or device payments recorded (2025) · (224) 248-0157
Dr. Rahul Wadke, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Raymond Wu, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Raza Muhammad, DO
Evanston, IL · $27 in drug and device payments (2025) · (847) 570-2700
Dr. Rebecca Weiner, DO
Evanston, IL · $3,221 in drug and device payments (2025) · Telehealth · (847) 570-4789
Dr. Rhonda Stein, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 866-3700
Dr. Richard Gayes, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (708) 341-5780
Dr. Robert Chris, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-4789
Dr. Robert Figura, D.O.
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-2376
Dr. Sadia Sabieh, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6228
Dr. Sadichhya Karki
Evanston, IL · $420 in drug and device payments (2025) · (847) 864-3278
Dr. Saira Shervani, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 475-4555
Dr. Salomon Dayan, MD
Evanston, IL · No drug or device payments recorded (2025) · (773) 677-6590
Dr. Samantha Worobey, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Sanjolee Ansari, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (708) 355-1197
Dr. Sara Haque, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6228
Dr. Shawn Hsieh
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Sheng Fu Huang, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Shilpa Namala
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1010
Dr. Shrimant Mishra, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2510
Dr. Sibgutallah Imdad, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-4789
Dr. Sidhartha Gupta, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Simran Dahiya
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Smita Singh, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 207-6418
Dr. Spencer Kiers, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Steffy Thomas, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Steven Fox, MD
Evanston, IL · $25 in drug and device payments (2025) · Telehealth · (847) 926-0106
Dr. Sunghyub Kim, DO
Evanston, IL · $157 in drug and device payments (2025) · (847) 570-4789
Dr. Tammy Yao-hong, D.O.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2509
Dr. Tareq Al-bkoor, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Tejinder Gill, M.D.
Evanston, IL · $78 in drug and device payments (2025) · (312) 498-0722
Dr. Tequilla Stanciel, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Tessa Fischer, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 733-1495
Dr. Theodore Huang, M.D.
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Thomas Campbell, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6611
Dr. Tianyu Dong
Evanston, IL · $45 in drug and device payments (2025) · (847) 316-4000
Dr. Unknown Kiran
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-6228
Dr. Ushan Ranasinghe, MD
Evanston, IL · $43 in drug and device payments (2025) · (847) 570-2700
Dr. Valli Stewart, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. Vatsal Patel, D.O.
Evanston, IL · $307 in drug and device payments (2025) · (847) 570-2000
Dr. Venkatesh Saravanan, MD,MRCP(UK)
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Viraja Alluri, MD
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Wendy Rubinstein, MD, PHD
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-1029
Dr. Youmna Ahmed, M.D
Evanston, IL · No drug or device payments recorded (2025) · (847) 316-4000
Dr. Yusra Malik
Evanston, IL · No drug or device payments recorded (2025) · (847) 570-2700
Dr. Yvette Shannon, D.O.
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. Zainab Quadri, MD
Evanston, IL · No drug or device payments recorded (2025) · Telehealth · (847) 570-1410
Dr. Zubeen Azari, DO
Evanston, IL · No drug or device payments recorded (2025) · (847) 864-3278
Dr. Allia Sunbulli, PA-C
Evergreen Park, IL · $17 in drug and device payments (2025) · (708) 422-1363

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

Internal Medicine in all 50 states Search all 7,189 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.