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MRS. KAYA WYNN O'CONNOR MSW, LICSW
NPI 1346797172
Social Worker - Clinical in Mercer Island, WA

Active since September 09, 2016Opted out of Medicare · through Mar 20, 2027
8015 SE 28TH STREET, SUITE 309, MERCER ISLAND, WA 98040(206) 444-3600(206) 444-3610 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mrs. Kaya Wynn O'connor Msw, Licsw NPPES

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

MRS. KAYA WYNN O'CONNOR MSW, LICSW (NPI 1346797172) is an individual clinical provider in Mercer Island, Washington, licensed in Washington (LW61374691) and active in the NPI registry since September 2016. She has opted out of Medicare through March 20, 2027.

NPPES Registry Identity

NPI1346797172
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. KAYA WYNN O'CONNORCredential: MSW, LICSW
Location Address8015 SE 28TH STREET, SUITE 309Mercer Island, WA 98040
Mailing Address8015 Se 28th Street, Suite 309Mercer Island, WA 98040 · (206) 651-4729 · Fax (206) 302-2210
Phone(206) 444-3600
Fax(206) 444-3610
Sole ProprietorYes
Enumeration DateSeptember 9, 2016
Last NPPES UpdateJanuary 15, 2026
NPPES CertifiedJanuary 15, 2026
✔ NPI 1346797172 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 · LW61374691
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
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Other Names 1

Professional Name (2)Ms. Kaya Elizabeth Wynn Msw, Licsw

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mrs. Kaya Wynn O'connor Msw, Licsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 20, 2025 through March 20, 2027.

Opt-Out Effective DateMarch 20, 2025
Opt-Out In Effect ThroughMarch 20, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

KATHERINE AVIVA WYNN LSWAIC
Social Worker (Clinical)
8015 SE 28TH STREET
MERCER ISLAND, WA 98040
King County (206) 236-1294

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 Kaya O'connor's NPI number?

The NPI number for Kaya O'connor is 1346797172. It was assigned to this individual provider in the NPPES registry on September 9, 2016. The provider is also known as Ms. Kaya Elizabeth Wynn Msw, Licsw.

Where is Kaya O'connor located?

Kaya O'connor practices at 8015 SE 28th Street Suite 309, Mercer Island, WA 98040. The listed phone number is (206) 444-3600.

What is Kaya O'connor's specialty?

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

Is Kaya O'connor enrolled in Medicare?

No. Kaya O'connor has opted out of Medicare through March 20, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Kaya O'connor was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.