Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Josephine Diaz, BA

Mental Health Counselor in Costa Mesa, CA · enumerated 2019 · practices at Rite of Passage Adolescent Treatment Centers and Schools, Inc..

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

National Provider Identifier

1710448576

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Registry record

Entity type Individual (Type 1)

Name Josephine Diaz

Credential BA

Sex Female

Practice address 250 Joann St, Costa Mesa, CA, 92626

Phone (949) 631-9041

Enumeration date Mar 26, 2019

Last updated in NPPES Oct 24, 2022

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers 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 Josephine Diaz?

The National Provider Identifier (NPI) for Josephine Diaz is 1710448576, a Type 1 (individual) record in the CMS NPPES registry.

Where does Josephine Diaz practice?

The practice location on file with NPPES is in Costa Mesa, 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 2022-10-24.