Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Tierra Marie Trettevik, LMP

Massage Therapist in Bellevue, WA · enumerated 2007.

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

National Provider Identifier

1104006402

Verified

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Registry record

Entity type Individual (Type 1)

Name Ms. Tierra Marie Trettevik

Credential LMP

Sex Female

Practice address 14700 Ne 8th St Ste 115, Bellevue, WA, 98007

Phone (425) 644-8386

Enumeration date Nov 5, 2007

Last updated in NPPES Nov 5, 2007

Taxonomy & licenses

225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License MA00024878 (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 Tierra Trettevik?

The National Provider Identifier (NPI) for Tierra Trettevik is 1104006402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tierra Trettevik practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-05.