Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Keith John Rex, PHYSICAL THERAPIST

Q: What is the NPI number for Keith Rex?

The National Provider Identifier (NPI) for Keith Rex is 1356463624, a Type 1 (individual) record in the CMS NPPES registry.

Physical Therapist in Seattle, WA · enumerated 2007.

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

National Provider Identifier

1356463624

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Registry record

Entity type Individual (Type 1)

Name Keith John Rex

Credential PHYSICAL THERAPIST

Sex Male

Practice address Seattle, WA, 98115

Phone (206) 522-7141

Fax (206) 522-7234

Enumeration date Apr 6, 2007

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT00003362 (WA) Primary

Other identifiers

Identifier	Type	State	Issuer
7060346	Medicaid	WA	-

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 Keith Rex?

The National Provider Identifier (NPI) for Keith Rex is 1356463624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Keith Rex practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.