Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alejandra Guerrero

Case Manager/Care Coordinator in Fullerton, CA · enumerated 2015.

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

National Provider Identifier

1679945471

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Registry record

Entity type Individual (Type 1)

Name Alejandra Guerrero

Sex Female

Practice address 801 E Chapman Ave, Fullerton, CA, 92831

Phone (714) 680-9000

Fax (714) 680-8233

Enumeration date Oct 20, 2015

Last updated in NPPES Oct 20, 2015

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other 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

Where does Alejandra Guerrero practice?

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

What is the NPI number for Alejandra Guerrero?

The National Provider Identifier (NPI) for Alejandra Guerrero is 1679945471, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-20.