Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William E. Watkinson, DPT

Physical Therapist in Guilford, CT · enumerated 2015.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316335029

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name William E. Watkinson

Credential DPT

Sex Male

Practice address 450 Boston Post Rd, Guilford, CT, 06437

Phone (203) 453-0459

Fax (203) 466-8527

Enumeration date Jan 3, 2015

Last updated in NPPES May 18, 2026

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 10396 (CT) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is William Watkinson?

William Watkinson is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-18.