Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Olivia Mckenzie, MHC

Mental Health Counselor in Mamaroneck, NY · enumerated 2026.

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

National Provider Identifier

1790642726

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Olivia Mckenzie

Credential MHC

Sex Female

Practice address 444 E Boston Post Rd Ste 206, Mamaroneck, NY, 10543

Phone (914) 236-5097

Fax (347) 348-0678

Enumeration date Jan 9, 2026

Last updated in NPPES Jan 9, 2026

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License P139274 (NY) 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 Olivia Mckenzie?

The National Provider Identifier (NPI) for Olivia Mckenzie is 1790642726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Olivia Mckenzie practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-09.