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

Alicia Pierson, PTA

Physical Therapy Assistant in Watertown, MA · enumerated 2013.

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

National Provider Identifier

1992133540

Verified

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Registry record

Entity type Individual (Type 1)

Name Alicia Pierson

Credential PTA

Sex Female

Practice address Watertown, MA, 02472

Phone (617) 943-6460

Enumeration date Oct 17, 2013

Last updated in NPPES Oct 17, 2013

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 8719 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
8719	Other	MA	COMMONWEALTH OF MASSACHUSETTS

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 Alicia Pierson?

The National Provider Identifier (NPI) for Alicia Pierson is 1992133540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alicia Pierson practice?

The practice location on file with NPPES is in Watertown, 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 2013-10-17.