Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allyson Rose Mrachek

Registered Dietitian in Seattle, WA · enumerated 2009.

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

National Provider Identifier

1528397577

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Registry record

Entity type Individual (Type 1)

Name Allyson Rose Mrachek

Sex Female

Practice address 8915 14th Ave S, 3rd Floor, Seattle, WA, 98108

Phone (206) 762-0876

Fax (206) 763-1856

Enumeration date Dec 21, 2009

Last updated in NPPES Dec 21, 2009

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License DI60127438 (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 1528397577 active?

Yes, as of the latest NPPES snapshot, NPI 1528397577 is active (record last updated 2009-12-21).

How do I verify Allyson Mrachek's NPI record?

Cross-check NPI 1528397577 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 2009-12-21.