Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Caitlin Blau Do Pllc

Q: What is the NPI number for Caitlin Blau Do Pllc?

The NPI for Caitlin Blau Do Pllc is 1619843018, a Type 2 (organization) record in the CMS NPPES registry.

Family Medicine Physician in Bellingham, WA · enumerated 2025 · authorized official Caitlin Blau, Owner.

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

National Provider Identifier

1619843018

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Registry record

Entity type Organization (Type 2)

Legal business name Caitlin Blau Do Pllc

Practice address 1050 Larrabee Ave, Bellingham, WA, 98225

Phone (425) 233-4785

Enumeration date Oct 13, 2025

Last updated in NPPES Nov 6, 2025

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Caitlin Blau

Title Owner

Phone (360) 309-0922

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

What is the NPI number for Caitlin Blau Do Pllc?

The NPI for Caitlin Blau Do Pllc is 1619843018, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Caitlin Blau Do Pllc?

NPPES lists Caitlin Blau (Owner) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-06.