1 NPI-registered providers practice in Granthan, New Hampshire. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Owen DowM.D. | Surgery Physician | Granthan, NH | 1376087403 |
Source: CMS NPPES Data Dissemination (June 2026).
