Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Timothy J Mathewson, PTA

Physical Therapy Assistant in Somerset, MA · enumerated 2015.

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

National Provider Identifier

1366817504

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. Timothy J Mathewson

Credential PTA

Sex Male

Practice address Somerset, MA, 02725

Phone (508) 933-4423

Enumeration date Dec 13, 2015

Last updated in NPPES Dec 26, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 6150 (MA) Primary

172V00000X Community Health Worker Other Service Providers · License 00988 (RI) Secondary

172V00000X Community Health Worker Other Service Providers · License 6150 (MA) Secondary

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

What is the NPI number for Timothy Mathewson?

The National Provider Identifier (NPI) for Timothy Mathewson is 1366817504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Mathewson practice?

The practice location on file with NPPES is in Somerset, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-26.