Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Daniel Samuel Trejo, MSW

Q: What is the NPI number for Daniel Trejo?

The National Provider Identifier (NPI) for Daniel Trejo is 1669502597, a Type 1 (individual) record in the CMS NPPES registry.

Mental Health Counselor in Pico Rivera, CA · enumerated 2007.

Data current as of Jul 11, 2026 · sourced from CMS NPPES

National Provider Identifier

1669502597

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Registry record

Entity type Individual (Type 1)

Name Daniel Samuel Trejo

Credential MSW

Sex Male

Practice address 9140 Whittier Blvd, Pico Rivera, CA, 90660

Phone (562) 762-6722

Enumeration date Mar 7, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License ASW 14511 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Daniel Trejo practice?

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

What is the NPI number for Daniel Trejo?

The National Provider Identifier (NPI) for Daniel Trejo is 1669502597, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.