Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Vivian Williams, OTD, OTR/L

Occupational Therapist in Nampa, ID · enumerated 2022.

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

National Provider Identifier

1831817170

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Registry record

Entity type Individual (Type 1)

Name Vivian Williams

Credential OTD, OTR/L

Sex Female

Practice address 9850 W St Lukes Dr, Nampa, ID, 83687

Phone (208) 505-2000

Enumeration date Aug 22, 2022

Last updated in NPPES Aug 22, 2022

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2611 (ID) 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

What specialty is Vivian Williams?

Vivian Williams is registered in NPPES with the primary taxonomy of Occupational Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-22.