Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anthony Michael Guerrero

Marriage & Family Therapist in Fullerton, CA · enumerated 2010 · practices at Crittenton Services.

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

National Provider Identifier

1982914024

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Registry record

Entity type Individual (Type 1)

Name Anthony Michael Guerrero

Sex Male

Practice address 100 E Valley View Dr, Fullerton, CA, 92832

Phone (714) 680-9031

Enumeration date Oct 7, 2010

Last updated in NPPES Oct 7, 2010

Taxonomy & licenses

106H00000X Marriage & Family Therapist 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Anthony Guerrero?

The National Provider Identifier (NPI) for Anthony Guerrero is 1982914024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anthony Guerrero practice?

The practice location on file with NPPES is in Fullerton, 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 2010-10-07.