9 NPI-registered Allergy & Immunology (Internal Medicine) Physician providers practice in Arizona. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Alex WonnaparhownMD | Allergy & Immunology (Internal Medicine) Physician | Scottsdale, AZ | 1154856052 |
| Ariel LeungMD | Allergy & Immunology (Internal Medicine) Physician | Chandler, AZ | 1366061129 |
| Catherine FreemanM.D. | Allergy & Immunology (Internal Medicine) Physician | Phoenix, AZ | 1770935538 |
| Gilbert OrtegaM.D. | Allergy & Immunology (Internal Medicine) Physician | Peoria, AZ | 1003349242 |
| Jacob PinnasM. D. | Allergy & Immunology (Internal Medicine) Physician | Tucson, AZ | 1427389303 |
| Kiranjit KhalsaMD | Allergy & Immunology (Internal Medicine) Physician | Phoenix, AZ | 1720321250 |
| Premier Allergy Asthma and Immunology PLLC | Allergy & Immunology (Internal Medicine) Physician | Phoenix, AZ | 1114681269 |
| Puneet ShroffM.D. | Allergy & Immunology (Internal Medicine) Physician | Tucson, AZ | 1265645782 |
| Randy HorwitzMD, PHD | Allergy & Immunology (Internal Medicine) Physician | Tucson, AZ | 1194790493 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
