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

Fiona M Mackenzie, LSW

Social Worker in Ocean, NJ · enumerated 2025.

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

National Provider Identifier

1780564468

Verified

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Registry record

Entity type Individual (Type 1)

Name Fiona M Mackenzie

Credential LSW

Sex Female

Practice address Ocean, NJ, 07712

Phone (609) 516-2581

Enumeration date Sep 4, 2025

Last updated in NPPES Sep 4, 2025

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

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL0683900 (NJ) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Fiona Mackenzie?

The National Provider Identifier (NPI) for Fiona Mackenzie is 1780564468, a Type 1 (individual) record in the CMS NPPES registry.

Where does Fiona Mackenzie practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-04.