Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Edwin Blau, MSW

Q: What is the NPI number for Edwin Blau?

The National Provider Identifier (NPI) for Edwin Blau is 1023405123, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Mount Vernon, WA · enumerated 2015.

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

National Provider Identifier

1023405123

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Registry record

Entity type Individual (Type 1)

Name Edwin Blau

Credential MSW

Sex Male

Practice address 1100 S 2nd St, Mount Vernon, WA, 98273

Phone (360) 419-3500

Enumeration date Apr 16, 2015

Last updated in NPPES Apr 16, 2015

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 60496061 (WA) 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 Edwin Blau practice?

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

What is the NPI number for Edwin Blau?

The National Provider Identifier (NPI) for Edwin Blau is 1023405123, 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 2026-07-13. Provider record last updated 2015-04-16.