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Internal Medicine Doctors in Indiana

Data updated monthly · Last refresh October 2026

2,118 Internal Medicine providers practice in Indiana, including 286 (14%) offering telehealth. The largest concentration is in Indianapolis. 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.

2,118providers
286telehealth
Indianapolistop city

Internal Medicine by city in Indiana

Choose a city to see providers there.

Internal Medicine in Indianapolis698 providers
Internal Medicine in Fort Wayne213 providers
Internal Medicine in Evansville97 providers
Internal Medicine in Carmel69 providers
Internal Medicine in Muncie68 providers
Internal Medicine in South Bend55 providers
Internal Medicine in Bloomington53 providers
Internal Medicine in Lafayette44 providers
Internal Medicine in Richmond35 providers
Internal Medicine in Avon31 providers
Internal Medicine in Fishers30 providers
Internal Medicine in Munster30 providers
Internal Medicine in Valparaiso27 providers
Internal Medicine in Elkhart26 providers
Internal Medicine in Kokomo23 providers
Internal Medicine in Noblesville21 providers
Internal Medicine in Terre Haute21 providers
Internal Medicine in Vincennes19 providers
Internal Medicine in Mishawaka18 providers
Internal Medicine in New Albany18 providers
Internal Medicine in Columbus17 providers
Internal Medicine in Anderson16 providers
Internal Medicine in Merrillville15 providers
Internal Medicine in Crown Point15 providers

Internal Medicine providers in Indiana

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. Nancy Miles, MD
Shelbyville, IN · $14 in drug and device payments (2025) · (317) 398-0121
Dr. Stina Wedlock, MD
Shelbyville, IN · $2,993 in drug and device payments (2025) · (317) 398-0121
Dr. Alice Lusk, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 232-3327
Dr. Arthur Schroeder, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-6225
Dr. Ashish Patel, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Asima Rashid, MD
South Bend, IN · $224 in drug and device payments (2025) · (574) 237-9340
Dr. Barbara Niklinska, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 237-9340
Dr. Barbara Williams, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 233-8170
Dr. Carolyn Klaus, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-4535
Dr. Catherine Wolff, DO
South Bend, IN · $1,042 in drug and device payments (2025) · (574) 647-1700
Dr. Celestina Iheanacho, MD
South Bend, IN · $152 in drug and device payments (2025) · (574) 647-3050
Dr. Charles Yi
South Bend, IN · $321 in drug and device payments (2025) · (574) 647-3050
Dr. David Chi, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Ebonee Davis, MD
South Bend, IN · $261 in drug and device payments (2025) · (574) 237-9340
Dr. Edna Pamatmat, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 234-9033
Dr. Ernest Vera-vazquez, D.O
South Bend, IN · No drug or device payments recorded (2025) · Telehealth · (574) 234-9033
Dr. Gail English, MD
South Bend, IN · $15 in drug and device payments (2025) · (574) 237-9340
Dr. Haidong Bao, M.D.
South Bend, IN · $59 in drug and device payments (2025) · (574) 647-3050
Dr. Hanuma Chitta, MD
South Bend, IN · $28 in drug and device payments (2025) · (574) 647-3050
Dr. Howard Engel, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 472-6450
Dr. Jason Stegink
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Jena Kern, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. John Majewski, MD
South Bend, IN · $18 in drug and device payments (2025) · (574) 334-6258
Dr. Jose Zelaya, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Justin Chow, MD
South Bend, IN · $426 in drug and device payments (2025) · (574) 647-3500
Dr. Katherine Tian, MD
South Bend, IN · $209 in drug and device payments (2025) · Telehealth · (574) 251-2100
Dr. Kellen Mastick, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Kevin Kilpatrick, MD
South Bend, IN · $105 in drug and device payments (2025) · (574) 234-8161
Dr. Mathew Kallookulangara, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Matthew Norton, DO
South Bend, IN · $985 in drug and device payments (2025) · (574) 299-2400
Dr. Michael Strzelecki, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 237-9340
Dr. Monika Niemiec, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Myron Bontrager, DO
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Nels Leininger, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 237-9340
Dr. Nicholas Rizzo, M.D.
South Bend, IN · $38 in drug and device payments (2025) · (574) 647-3050
Dr. Nycole Wells, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3281
Dr. Okechukwu Anochie, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Patricia Osmolak, M.D.
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Patrick Watson, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050
Dr. Quanri Jin, M.D.
South Bend, IN · $28 in drug and device payments (2025) · (574) 647-3050
Dr. Rachelina Kvietkus, M.D.
South Bend, IN · $432 in drug and device payments (2025) · (574) 237-9340
Dr. Rajalakshmy Sundararajan, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-7459
Dr. Rita Schmid, M.D.
South Bend, IN · $228 in drug and device payments (2025) · Telehealth · (574) 237-9340
Dr. Robert Einterz, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-7477
Dr. Seth Hauschild
South Bend, IN · $183 in drug and device payments (2025) · (574) 247-1911
Dr. Stephanie Hicks, MD
South Bend, IN · $28 in drug and device payments (2025) · (574) 647-3281
Dr. Stephen Anderson, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 232-3327
Dr. Stephen Nightingale, MD
South Bend, IN · $29 in drug and device payments (2025) · (574) 247-1911
Dr. Steven Crowell, MD
South Bend, IN · $478 in drug and device payments (2025) · (574) 237-9340
Dr. Sunday Osunnuga, MD
South Bend, IN · No drug or device payments recorded (2025) · (574) 647-3050

Conditions Internal Medicine providers in Indiana 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 Indiana?

There are 2,118 Internal Medicine providers with active NPI records practicing in Indiana, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Indiana offer telehealth?

Yes. 286 of the 2,118 Internal Medicine providers in Indiana (about 14%) report offering telehealth services in CMS data.

Which cities in Indiana have the most Internal Medicine providers?

Indianapolis (698), Fort Wayne (213), Evansville (97) have the highest concentration of Internal Medicine providers in Indiana.

How many Internal Medicine providers in Indiana received drug or device company payments?

784 of 2,118 Internal Medicine providers in Indiana (37%) 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 Indiana 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 Indiana work in independent practices or large health systems?

Among 1,303 Internal Medicine Doctors in Indiana enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 11% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Indiana work at?

According to CMS facility affiliation records, the Indiana hospitals where the most Internal Medicine Doctors hold privileges are Indiana University Health in Indianapolis; Ascension St Vincent Hospital in Indianapolis; Parkview Regional Medical Center in Fort Wayne.

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 Indiana? Get featured.