NPI Portal NPI Lookup & Verification

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

Jennifer Mcmahon

Clinical Social Worker in Franklin, MA · enumerated 2015.

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

National Provider Identifier

1063809960

Verified

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Registry record

Entity type Individual (Type 1)
Name Jennifer Mcmahon
Sex Female
Practice address Franklin, MA, 02038
Enumeration date Apr 20, 2015
Last updated in NPPES Apr 20, 2015

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 220564 (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

What is the NPI number for Jennifer Mcmahon?
The National Provider Identifier (NPI) for Jennifer Mcmahon is 1063809960, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Mcmahon practice?
The practice location on file with NPPES is in Franklin, 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 2015-04-20.