Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Therapy Management Services, Pllc

Physical Therapist in Burien, WA · enumerated 2016 · authorized official Dwan Diaz, Credentialing Coordinator.

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

National Provider Identifier

1780037689

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Registry record

Entity type Organization (Type 2)

Legal business name Therapy Management Services, Pllc

Other name <Unavail>

Practice address 15500 1st Ave S Ste 106, Burien, WA, 98148

Phone (206) 258-2549

Fax (206) 582-2192

Enumeration date Jul 15, 2016

Last updated in NPPES Aug 9, 2022

Taxonomy & classification

133V00000X Registered Dietitian Dietary & Nutritional Service Providers Secondary

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Secondary

Authorized official

Name Dwan Diaz

Title Credentialing Coordinator

Phone (813) 560-8157

Other identifiers

Identifier	Type	State	Issuer
2072766	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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2022-08-09. Verify at npiregistry.cms.hhs.gov.

Where is Therapy Management Services, Pllc located?

The practice location on file with NPPES is in Burien, WA.

Providers at this address

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Joshua Harrison Physician Assistant · Burien, WA NPI 1992065098 Amanda Sloan Physician Assistant · Burien, WA NPI 1831748177

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-09.