Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Andrew Dyjak, RDH

Q: What is the NPI number for John Dyjak?

The National Provider Identifier (NPI) for John Dyjak is 1497278576, a Type 1 (individual) record in the CMS NPPES registry.

Dental Hygienist in Bremerton, WA · enumerated 2017.

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

National Provider Identifier

1497278576

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Registry record

Entity type Individual (Type 1)

Name John Andrew Dyjak

Credential RDH

Sex Male

Practice address 1 Boone Rd, Bremerton, WA, 98312

Phone (360) 475-4455

Enumeration date Jul 20, 2017

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License H00006787 (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

What is the NPI number for John Dyjak?

The National Provider Identifier (NPI) for John Dyjak is 1497278576, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Dyjak practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.