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Kathryn Elizabeth Mattson, OT

Occupational Therapist in Maple Valley, WA · enumerated 2012.

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

National Provider Identifier

1922344258

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Registry record

Entity type Individual (Type 1)
Name Kathryn Elizabeth Mattson
Credential OT
Sex Female
Practice address 26837 Maple Valley Highway, Suite 201, Maple Valley, WA, 98038
Phone (425) 413-4427
Fax (425) 413-4402
Enumeration date Dec 13, 2012
Last updated in NPPES Dec 13, 2012

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License OT00001164 (WA) Primary
OT · Occupational Therapist: A licensed therapist helping patients develop or recover skills for daily living and working. About the OT 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.

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Frequently asked questions

What is the NPI number for Kathryn Mattson?
The National Provider Identifier (NPI) for Kathryn Mattson is 1922344258, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathryn Mattson practice?
The practice location on file with NPPES is in Maple Valley, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-13.