Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William J Sweet, RNP
Nurse Practitioner in Franklin, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205855624
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Registry record
Entity type Individual (Type 1)
Name William J Sweet
Credential RNP
Sex Male
Practice address 1280 W Central St Ste 201, Franklin, MA, 02038
Phone (508) 541-8000
Enumeration date Jul 18, 2006
Last updated in NPPES Aug 27, 2025
Taxonomy & licenses
363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 228620 (MA) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN228620 (MA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0345181 | Medicaid | MA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Sweet?
The National Provider Identifier (NPI) for William Sweet is 1205855624, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Sweet practice?
The practice location on file with NPPES is in Franklin, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-27.