Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Sara Joyce Agassiz, PT, OCS
Physical Therapist in Renton, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285685057
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Registry record
Entity type Individual (Type 1)
Name Mrs. Sara Joyce Agassiz
Credential PT, OCS
Sex Female
Practice address 451 Duvall Ave Ne, Ste 200, Renton, WA, 98059
Phone (425) 235-9505
Fax (425) 226-7334
Enumeration date May 15, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT00002293 (WA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
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 Sara Agassiz practice?
The practice location on file with NPPES is in Renton, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sara Agassiz?
The National Provider Identifier (NPI) for Sara Agassiz is 1285685057, a Type 1 (individual) record in the CMS NPPES registry.
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.