1. Home
  2. Directory
  3. Washington
  4. Mercer Island
  5. Social Worker
  6. NPI Profile

KATHERINE AVIVA WYNN LSWAIC
NPI 1598549073
Social Worker - Clinical in Mercer Island, WA

Active since August 24, 2023
8015 SE 28TH STREET, MERCER ISLAND, WA 98040(206) 236-1294 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 4, 2025, Aug 24, 2023 (2 updates tracked since 2023).

About Katherine Aviva Wynn Lswaic NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE AVIVA WYNN LSWAIC (NPI 1598549073) is an individual clinical provider in Mercer Island, Washington, licensed in Washington (SC61553232) and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1598549073
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE AVIVA WYNNCredential: LSWAIC
Location Address8015 SE 28TH STREETMercer Island, WA 98040
Mailing Address8015 Se 28th StreetMercer Island, WA 98040 · (206) 276-1549
Phone(206) 236-1294
Sole ProprietorYes
Enumeration DateAugust 24, 2023
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1598549073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · SC61553232
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8015 SE 28TH STREET, Mercer Island, WA 98040
Open in Google Maps ↗

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KAYA WYNN O'CONNOR MSW, LICSW
Social Worker (Clinical)
8015 SE 28TH STREET, SUITE 309
MERCER ISLAND, WA 98040
King County (206) 444-3600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Wynn's NPI number?

The NPI number for Katherine Wynn is 1598549073. It was assigned to this individual provider in the NPPES registry on August 24, 2023.

Where is Katherine Wynn located?

Katherine Wynn practices at 8015 SE 28th Street, Mercer Island, WA 98040. The listed phone number is (206) 236-1294.

What is Katherine Wynn's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Katherine Wynn was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.