8 NPI-registered Allergy & Immunology (Internal Medicine) Physician providers practice in Indiana. See all states.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Baki.l.l.c | Allergy & Immunology (Internal Medicine) Physician | Valparaiso, IN | 1992229199 |
| Diane Jordan-WagnerM.D. | Allergy & Immunology (Internal Medicine) Physician | Terre Haute, IN | 1013025097 |
| Douglas NeeldMD | Allergy & Immunology (Internal Medicine) Physician | Fort Wayne, IN | 1780669374 |
| Geoffrey RogersM.D. | Allergy & Immunology (Internal Medicine) Physician | Elkhart, IN | 1265437255 |
| Jason CasselmanD.O. | Allergy & Immunology (Internal Medicine) Physician | Richmond, IN | 1538456462 |
| Joseph GaddyM.D. | Allergy & Immunology (Internal Medicine) Physician | Indianapolis, IN | 1043339005 |
| Robert ClausenMD | Allergy & Immunology (Internal Medicine) Physician | South Bend, IN | 1932198488 |
| William BakerM.D. | Allergy & Immunology (Internal Medicine) Physician | Indianapolis, IN | 1578529046 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
