2 NPI-registered Clinical & Laboratory Immunology (Internal Medicine) Physician providers practice in Massachusetts. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Lisa HirschhornM.D. | Clinical & Laboratory Immunology (Internal Medicine) Physician | Boston, MA | 1225228323 |
| Medical Drug Testing Lab | Clinical & Laboratory Immunology (Internal Medicine) Physician | Fall River, MA | 1538221072 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
