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.
Where Internal Medicine Doctors in Indiana practice
From CMS Medicare enrollment records covering 1,303 of the 2,118 providers listed here (62%). Providers who do not bill Medicare are not included in these figures.
11%solo or small practice (under 10 clinicians)
11%mid-size group (10 to 99)
78%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Internal Medicine Doctors | All clinicians in group | Main city |
| Iu Health Medical Group LLC | 289 | 4,382 | Indianapolis |
| Parkview Health System Inc. | 112 | 1,350 | Fort Wayne |
| St Vincent Physician Services Hospital and Health Care Center | 93 | 276 | Indianapolis |
| Community Physicians of Indiana Inc. | 84 | 1,569 | Indianapolis |
| St Vincent Medical Group Inc. | 62 | 728 | Indianapolis |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Internal Medicine Doctors affiliated |
| Indiana University Health | Indianapolis | Nonprofit | 3 of 5 | 324 |
| Ascension St Vincent Hospital | Indianapolis | Nonprofit | 2 of 5 | 171 |
| Parkview Regional Medical Center | Fort Wayne | Nonprofit | 3 of 5 | 131 |
| Ascension St Vincent Kokomo | Kokomo | Nonprofit | 4 of 5 | 88 |
| Community Hospital East | Indianapolis | Nonprofit | 3 of 5 | 81 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Afia Naqvi, M.D.Anderson, IN · $231 in drug and device payments (2025) ·
(765) 298-4242 Dr. Alton Parker, MDAnderson, IN · No drug or device payments recorded (2025) ·
(765) 649-2511 Dr. Bahadur Shah, MDAnderson, IN · $124 in drug and device payments (2025) ·
(765) 649-2511 Dr. Dalwinderpal Samra, MDAnderson, IN · No drug or device payments recorded (2025) ·
(609) 694-8566 Dr. Debra Harp, M.D.Anderson, IN · No drug or device payments recorded (2025) ·
(765) 608-2630 Dr. Hadeel Al FaresAnderson, IN · No drug or device payments recorded (2025) ·
(317) 621-1006 Dr. Heidi Johnson, MDAnderson, IN · $125 in drug and device payments (2025) ·
(765) 646-6331 Dr. James Ong, MDAnderson, IN · No drug or device payments recorded (2025) ·
(765) 646-6331 Dr. Mahmoud Hassuneh, MDAnderson, IN · No drug or device payments recorded (2025) ·
(765) 298-4242 Dr. Mark Jennings, MDAnderson, IN · No drug or device payments recorded (2025) · Telehealth ·
(765) 649-2511 Dr. Mohammad Sami Bakdash, M.D.Anderson, IN · No drug or device payments recorded (2025) ·
(765) 298-4242 Dr. Neelima Yalamanchili, M.D.Anderson, IN · $1,874 in drug and device payments (2025) · Telehealth ·
(765) 298-5280 Dr. Robert Anderson, MDAnderson, IN · $835 in drug and device payments (2025) · Telehealth ·
(765) 646-8557 Dr. Thomas Hendrix, M.D.Anderson, IN · No drug or device payments recorded (2025) ·
(765) 298-4242 Dr. Wael Bakdash, M.D.Anderson, IN · $1,075 in drug and device payments (2025) · Telehealth ·
(765) 298-5280 Dr. Yasir Ahamed, MDAnderson, IN · No drug or device payments recorded (2025) ·
(765) 649-2511 Dr. Wajehe Najafi, MDAngola, IN · No drug or device payments recorded (2025) ·
(260) 408-5014 Dr. Afsa Ali, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 688-5980 Dr. Angela Debord Henriksen, MDAvon, IN · $1,090 in drug and device payments (2025) · Telehealth ·
(317) 217-2600 Dr. April Johnson, M.DAvon, IN · No drug or device payments recorded (2025) ·
(317) 838-9355 Dr. Bhasker Reddy, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 272-8050 Dr. Cameron Kirk, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3000 Dr. Chun Ng, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3500 Dr. Darren Caudill, DOAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-2888 Dr. Drew Kepple, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 948-3200 Dr. Elizabeth Cowgill, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3649 Dr. Gehna Kishore, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3627 Dr. Gina Nuzzo, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-2919 Dr. Gregory Spurgin, M.D.Avon, IN · No drug or device payments recorded (2025) ·
(317) 217-2600 Dr. Heather Kim, M.D.Avon, IN · $35 in drug and device payments (2025) · Telehealth ·
(317) 217-2919 Dr. Jeffrey Ihlendorf, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 948-3200 Dr. Joseph Lee, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-2888 Dr. Kathryn Colteryahn, M.D.Avon, IN · No drug or device payments recorded (2025) ·
(317) 217-2919 Dr. Melissa Knutson, DOAvon, IN · No drug or device payments recorded (2025) · Telehealth ·
(317) 217-2919 Dr. Michaela Besold, M.D. Dr. Norman Cary, M.D.Avon, IN · No drug or device payments recorded (2025) ·
(317) 272-8050 Dr. Saduf Bilfaqi, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3627 Dr. Sheethu Sadasivan, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-2888 Dr. Simranjot Sandhu, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 745-5403 Dr. Stephanie Gleason, DOAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3627 Dr. Stephanie Shi, MDAvon, IN · No drug or device payments recorded (2025) ·
(317) 217-3627 Dr. Stephen Pollom, M.D.Avon, IN · No drug or device payments recorded (2025) ·
(317) 217-2600 Dr. John Johnson, MDBatesville, IN · $343 in drug and device payments (2025) ·
(812) 934-5924 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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