Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Alec Errington Frank, MSW

Clinical Social Worker in San Marcos, CA · enumerated 2021.

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

National Provider Identifier

1578134169

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Registry record

Entity type Individual (Type 1)

Name Mr. Alec Errington Frank

Credential MSW

Sex Male

Practice address 325 Buena Creek Rd, San Marcos, CA, 92069

Phone (760) 754-5500

Enumeration date Jul 6, 2021

Last updated in NPPES Jun 4, 2025

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 104488 (CA) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 13-501 (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

Is NPI 1578134169 active?

Yes, as of the latest NPPES snapshot, NPI 1578134169 is active (record last updated 2025-06-04).

How do I verify Alec Frank's NPI record?

Cross-check NPI 1578134169 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-04.