Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Siena Trease Dickinson, MA61578997

Massage Therapist in Bellingham, WA · enumerated 2024.

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

National Provider Identifier

1689406175

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Registry record

Entity type Individual (Type 1)

Name Mrs. Siena Trease Dickinson

Credential MA61578997

Sex Female

Practice address 2216 Cornwall Ave, Bellingham, WA, 98225

Phone (360) 650-1040

Fax (360) 647-1542

Enumeration date Aug 14, 2024

Last updated in NPPES Aug 14, 2024

Taxonomy & licenses

225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License MA61578997 (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

Is NPI 1689406175 active?

Yes, as of the latest NPPES snapshot, NPI 1689406175 is active (record last updated 2024-08-14).

How do I verify Siena Dickinson's NPI record?

Cross-check NPI 1689406175 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-14.