NPI Portal NPI Lookup & Verification

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

Brian Keith Fosnock, RN

Registered Nurse in Methuen, MA · enumerated 2026.

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

National Provider Identifier

1336063486

Verified

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Registry record

Entity type Individual (Type 1)
Name Brian Keith Fosnock
Credential RN
Sex Male
Practice address Methuen, MA, 01844
Enumeration date Aug 10, 2026
Last updated in NPPES Aug 29, 2026

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

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2309763 (MA) Secondary
163W00000X Registered Nurse Nursing Service Providers · License RN2309763 (MA) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

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Frequently asked questions

What is the NPI number for Brian Fosnock?
The National Provider Identifier (NPI) for Brian Fosnock is 1336063486, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Fosnock practice?
The practice location on file with NPPES is in Methuen, 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 2026-08-29.