Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. William A Moynihan, PT
Physical Therapist in Arlington, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255489639
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Registry record
Entity type Individual (Type 1)
Name Mr. William A Moynihan
Credential PT
Sex Male
Practice address 19007 61st Avenue Ne #5, Hpi, Arlington, WA, 98223
Phone (360) 435-8989
Fax (360) 403-8347
Enumeration date Jan 8, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT00005016 (WA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8341877 | Medicaid | WA | - |
| 130974 | Other | WA | DEPT LABOR & INDUSTRIES |
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.
Frequently asked questions
Where does William Moynihan 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 William Moynihan?
The National Provider Identifier (NPI) for William Moynihan is 1255489639, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.