1 NPI-registered providers practice in S Lancaster, Massachusetts. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Theodore R. Nelson, DDS, PC | General Practice Dentistry | S. Lancaster, MA | 1992871586 |
Source: CMS NPPES Data Dissemination (June 2026).
