Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alex Astorga Aldaz

Social Worker in San Jose, CA · enumerated 2022.

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

National Provider Identifier

1104574391

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Registry record

Entity type Individual (Type 1)

Name Alex Astorga Aldaz

Sex Male

Practice address 1340 Tully Rd Ste 304, San Jose, CA, 95122

Phone (408) 271-3900

Enumeration date Mar 16, 2022

Last updated in NPPES Jul 6, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 117669 (CA) Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License R1515920723 (CA) Secondary

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 1104574391 active?

Yes, as of the latest NPPES snapshot, NPI 1104574391 is active (record last updated 2026-07-06).

How do I verify Alex Aldaz's NPI record?

Cross-check NPI 1104574391 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 2026-07-06.