Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mitzi Hermann, MSW, INTERN

Clinical Social Worker in Fountain Valley, CA · enumerated 2014 · practices at Western Youth Services.

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

National Provider Identifier

1821498486

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Registry record

Entity type Individual (Type 1)

Name Mitzi Hermann

Credential MSW, INTERN

Sex Female

Practice address 18350 Mount Langley St Ste 220, Fountain Valley, CA, 92708

Phone (714) 378-2620

Enumeration date Sep 1, 2014

Last updated in NPPES Apr 30, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW96945 (CA) 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 Mitzi Hermann?

The National Provider Identifier (NPI) for Mitzi Hermann is 1821498486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mitzi Hermann practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-30.