Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sarah Walker, COTA/L, CLT

Q: What is the NPI number for Sarah Walker?

The National Provider Identifier (NPI) for Sarah Walker is 1023507522, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Therapy Assistant in Bothell, WA · enumerated 2018.

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

National Provider Identifier

1023507522

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Sarah Walker

Credential COTA/L, CLT

Sex Female

Practice address 20328 Bothell Everett Hwy Apt B202, Bothell, WA, 98012

Phone (206) 919-7308

Enumeration date May 9, 2018

Last updated in NPPES May 9, 2018

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sarah Walker?

The National Provider Identifier (NPI) for Sarah Walker is 1023507522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sarah Walker practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-09.