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 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. Susan Hart-cavallo, MDSouth Bend, IN · No drug or device payments recorded (2025) ·
(574) 232-3327 Dr. Sylvana Atallah, M.D.South Bend, IN · No drug or device payments recorded (2025) ·
(262) 527-7410 Dr. Thomas Barbour, MDSouth Bend, IN · No drug or device payments recorded (2025) ·
(574) 237-9340 Dr. Thomas Bussineau, D.O.South Bend, IN · No drug or device payments recorded (2025) ·
(574) 647-3050 Dr. Thomas Vanderheyden, D.O.South Bend, IN · $1,652 in drug and device payments (2025) ·
(574) 234-0049 Dr. Wendell Garcia-ortiz, MDSouth Bend, IN · $420 in drug and device payments (2025) ·
(574) 647-1500 Dr. Wen Sun Lum, MDSouth Bend, IN · No drug or device payments recorded (2025) ·
(574) 647-3050 Dr. Maria Wilson, MDSpeedway, IN · $59 in drug and device payments (2025) ·
(317) 653-2730 Dr. Joseph Car, MDSpencer, IN · No drug or device payments recorded (2025) ·
(812) 829-2237 Dr. Robert Avena, MDSullivan, IN · No drug or device payments recorded (2025) ·
(812) 268-6292 Dr. Samer Bleibel, MDTell City, IN · No drug or device payments recorded (2025) ·
(812) 547-0140 Dr. Anoka Martis, MDTerre Haute, IN · $385 in drug and device payments (2025) ·
(812) 478-8888 Dr. Antwan Mardini, MDTerre Haute, IN · $147 in drug and device payments (2025) ·
(812) 232-9663 Dr. David Janicki, MDTerre Haute, IN · $241 in drug and device payments (2025) ·
(812) 238-5665 Dr. Dipen Shah, M.D.Terre Haute, IN · $1,188 in drug and device payments (2025) · Telehealth ·
(812) 478-8888 Dr. Douglas Gillespie, M.D.Terre Haute, IN · No drug or device payments recorded (2025) ·
(812) 234-1938 Dr. Fauzia Ahmed, M.D.Terre Haute, IN · $35 in drug and device payments (2025) ·
(812) 234-2289 Dr. Girish Kunapareddy, M.D.Terre Haute, IN · $106,821 in drug and device payments (2025) · Telehealth ·
(812) 242-3700 Dr. Jessika Meadows, DOTerre Haute, IN · $84 in drug and device payments (2025) ·
(812) 238-7631 Dr. Jessy Woods, M.D.Terre Haute, IN · $108 in drug and device payments (2025) ·
(812) 232-7447 Dr. Joel Elias, M.D.Terre Haute, IN · No drug or device payments recorded (2025) ·
(812) 232-0921 Dr. Jon Stockrahm, D.O.Terre Haute, IN · No drug or device payments recorded (2025) ·
(812) 235-7252 Dr. Michael Rader, MDTerre Haute, IN · No drug or device payments recorded (2025) ·
(812) 299-2121 Dr. Nedu Gopala, M.D.Terre Haute, IN · No drug or device payments recorded (2025) ·
(812) 460-0109 Dr. Pardeep Kumar, M DTerre Haute, IN · $2,599 in drug and device payments (2025) ·
(812) 238-0958 Dr. Ravi Koduru, M.D.Terre Haute, IN · $922 in drug and device payments (2025) ·
(812) 478-8888 Dr. Robert Chua, M.D.Terre Haute, IN · $143 in drug and device payments (2025) ·
(812) 232-5518 Dr. Shreelekha Deshpande, MDTerre Haute, IN · $1,945 in drug and device payments (2025) ·
(812) 917-0047 Dr. Subbareddy Puchalapalli, M.D.Terre Haute, IN · No drug or device payments recorded (2025) ·
(812) 232-3225 Dr. Sudha Patel, M.D.Terre Haute, IN · No drug or device payments recorded (2025) · Telehealth ·
(812) 894-2130 Dr. Tejaswini Kumar, MDTerre Haute, IN · $2,581 in drug and device payments (2025) ·
(812) 238-0958 Dr. Vuppala Reddy, M.D.Terre Haute, IN · $1,171 in drug and device payments (2025) ·
(812) 478-8888 Dr. Randall Lee, M.D.Trafalgar, IN · $248 in drug and device payments (2025) ·
(317) 739-4895 Dr. Heidi Lakanen, MDUpland, IN · No drug or device payments recorded (2025) ·
(765) 998-6200 Dr. Abdus Lakhani, MDValparaiso, IN · $211 in drug and device payments (2025) ·
(219) 464-9800 Dr. Atimanaparampil Damodaran, M.D.Valparaiso, IN · $125 in drug and device payments (2025) · Telehealth ·
(574) 806-4938 Dr. Crystal Tuncay, DOValparaiso, IN · $2,101 in drug and device payments (2025) · Telehealth ·
(219) 548-3843 Dr. Daniela Sikoski, MDValparaiso, IN · $486 in drug and device payments (2025) · Telehealth ·
(219) 548-3843 Dr. Eugene Lin, MDValparaiso, IN · No drug or device payments recorded (2025) ·
(219) 462-6914 Dr. Hector Marchand, M.D.Valparaiso, IN · $2,423 in drug and device payments (2025) · Telehealth ·
(219) 548-3843 Dr. Helda Barakat, MDValparaiso, IN · $1,113 in drug and device payments (2025) · Telehealth ·
(219) 464-8007 Dr. Jeffrey Gatz, MDValparaiso, IN · No drug or device payments recorded (2025) ·
(219) 462-6192 Dr. Luis Lora Garcia, M.D.Valparaiso, IN · No drug or device payments recorded (2025) ·
(863) 254-8772 Dr. Majed Al-hamwi, M.D.Valparaiso, IN · $133 in drug and device payments (2025) · Telehealth ·
(219) 252-3401 Dr. Mazen Zaitoon, M.D.Valparaiso, IN · $123 in drug and device payments (2025) ·
(219) 983-8300 Dr. Michael Weiss, M.D.Valparaiso, IN · No drug or device payments recorded (2025) ·
(219) 462-5195 Dr. Raghu VanamaValparaiso, IN · No drug or device payments recorded (2025) ·
(313) 745-7999 Dr. Rajat Prakash, MDValparaiso, IN · $91 in drug and device payments (2025) ·
(219) 464-9800 Dr. Robert Buynak, M.D.Valparaiso, IN · $2,543 in drug and device payments (2025) ·
(219) 462-7173 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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