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Allergy & Immunology (Internal Medicine) in Indiana

Data updated monthly · Last refresh August 2026

7 Allergy & Immunology (Internal Medicine) providers practice in Indiana. The largest concentration is in Indianapolis. Profiles include Medicare quality scores where available.

7providers
Indianapolistop city

Allergy & Immunology (Internal Medicine) providers by city in Indiana

Indianapolis2 providers
Fort Wayne1 providers
Elkhart1 providers
Terre Haute1 providers
Richmond1 providers
South Bend1 providers

Highest rated Allergy & Immunology (Internal Medicine) providers in Indiana

Dr. Geoffrey Rogers, M.D.
Elkhart, IN · Quality score 91/100 · (574) 296-3314
Dr. Douglas Neeld, MD
Fort Wayne, IN · Quality score 81/100 · (260) 425-6070
Dr. Diane Jordan-wagner, M.D.
Terre Haute, IN · (812) 232-0564
Dr. Joseph Gaddy, M.D.
Indianapolis, IN · (317) 396-2347
Dr. Jason Casselman, D.O.
Richmond, IN · (765) 966-9600
Dr. William Baker, M.D.
Indianapolis, IN · (317) 988-3190
Dr. Robert Clausen, MD
South Bend, IN · (574) 237-9217

Common questions

How many Allergy & Immunology (Internal Medicine) providers are in Indiana?

There are 7 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in Indiana, according to federal NPPES data refreshed monthly.

Which cities in Indiana have the most Allergy & Immunology (Internal Medicine) providers?

Indianapolis (2), Fort Wayne (1), Elkhart (1) have the highest concentration of Allergy & Immunology (Internal Medicine) providers in Indiana.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Allergy & Immunology (Internal Medicine) in Indiana? Get featured.