Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cassandra Fox, RN, FNP-C

Nurse Practitioner in Cambridge, MA · enumerated 2022.

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

National Provider Identifier

1629723549

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Registry record

Entity type Individual (Type 1)

Name Cassandra Fox

Credential RN, FNP-C

Sex Female

Practice address 1493 Cambridge St, Cambridge, MA, 02139

Phone (617) 665-1606

Enumeration date Feb 18, 2022

Last updated in NPPES Sep 15, 2022

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN2347590 (MA) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2347590 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Cassandra Fox practice?

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

What is the NPI number for Cassandra Fox?

The National Provider Identifier (NPI) for Cassandra Fox is 1629723549, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-15.