Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tomoko Knudtson

Registered Nurse in Vancouver, WA · enumerated 2015.

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

National Provider Identifier

1043609357

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Registry record

Entity type Individual (Type 1)

Name Tomoko Knudtson

Sex Female

Practice address 7415 Ne 94th Ave, Vancouver, WA, 98662

Phone (360) 253-6019

Fax (360) 253-2698

Enumeration date Jan 10, 2015

Last updated in NPPES Jan 10, 2015

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN6027188 (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 Tomoko Knudtson practice?

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

What is the NPI number for Tomoko Knudtson?

The National Provider Identifier (NPI) for Tomoko Knudtson is 1043609357, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-10.