Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sierra Lynn Miller

Occupational Therapy Assistant in Glendale, AZ · enumerated 2022.

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

National Provider Identifier

1063137453

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Registry record

Entity type Individual (Type 1)

Name Sierra Lynn Miller

Sex Female

Practice address 6635 W Happy Valley Rd Ste A104-218, Glendale, AZ, 85310

Phone (623) 224-1214

Enumeration date Oct 7, 2022

Last updated in NPPES Mar 6, 2023

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers 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 Sierra Miller practice?

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

What is the NPI number for Sierra Miller?

The National Provider Identifier (NPI) for Sierra Miller is 1063137453, 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 2023-03-06.