Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sienna Carpenter

Occupational Therapist in Lynn, MA · enumerated 2023.

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

National Provider Identifier

1457041477

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Registry record

Entity type Individual (Type 1)

Name Sienna Carpenter

Sex Female

Practice address 176 Franklin St, Lynn, MA, 01904

Phone (413) 358-2032

Enumeration date May 12, 2023

Last updated in NPPES Apr 14, 2025

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 498060 (MA) Primary

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.

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Frequently asked questions

Where does Sienna Carpenter practice?

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

What is the NPI number for Sienna Carpenter?

The National Provider Identifier (NPI) for Sienna Carpenter is 1457041477, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-14.