Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Emily Duncan, RDN

Registered Dietitian in Tacoma, WA · enumerated 2021.

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

National Provider Identifier

1588234983

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Registry record

Entity type Individual (Type 1)

Name Emily Duncan

Credential RDN

Sex Female

Practice address 2711 N 21st St, Tacoma, WA, 98406

Phone (501) 318-7746

Enumeration date Jun 28, 2021

Last updated in NPPES Jul 6, 2021

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 60903622 (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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Emily Duncan?

Emily Duncan is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-06.