Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Holly J Mcmillan

Physical Therapy Assistant in Arlington, WA · enumerated 2026.

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

National Provider Identifier

1104757459

Verified

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Registry record

Entity type Individual (Type 1)

Name Holly J Mcmillan

Sex Female

Practice address 3710 168th St Ne Ste A102, Arlington, WA, 98223

Phone (360) 658-8100

Enumeration date May 26, 2026

Last updated in NPPES May 26, 2026

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PTA.P1.70115131 (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

Where does Holly Mcmillan practice?

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

What is the NPI number for Holly Mcmillan?

The National Provider Identifier (NPI) for Holly Mcmillan is 1104757459, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-26.