Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KELSEY MICHELE O'NEILL
NPI 1518519552
Counselor - Mental Health in Seattle, WA

Q: What is Kelsey O'neill's NPI number?

The NPI number for Kelsey O'neill is 1518519552. It was assigned to this individual provider in the NPPES registry on July 10, 2019.

Q: What is Kelsey O'neill's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Kelsey O'neill was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.

Active since July 10, 2019

6333B FAUNTLEROY WAY SW, SEATTLE, WA 98136(425) 420-8395 Get Directions Write a Review

NPPES record last updated: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 28, 2026, Aug 18, 2019, Jul 10, 2019 (3 updates tracked since 2019).

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About Kelsey Michele O'neill NPPES

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

KELSEY MICHELE O'NEILL (NPI 1518519552) is an individual mental health provider in Seattle, Washington and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1518519552

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameKELSEY MICHELE O'NEILL

Location Address6333B FAUNTLEROY WAY SWSeattle, WA 98136-1817

Mailing Address6333b Fauntleroy Way SwSeattle, WA 98136-1817

Phone(425) 420-8395

Sole ProprietorNo

Enumeration DateJuly 10, 2019

Last NPPES UpdateOctober 28, 20263 updates tracked since enumeration

NPPES CertifiedOctober 28, 2026

✔ NPI 1518519552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

6333B FAUNTLEROY WAY SW, Seattle, WA 98136

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

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 Kelsey O'neill's NPI number?

The NPI number for Kelsey O'neill is 1518519552. It was assigned to this individual provider in the NPPES registry on July 10, 2019.

Where is Kelsey O'neill located?

Kelsey O'neill practices at 6333B Fauntleroy Way SW, Seattle, WA 98136. The listed phone number is (425) 420-8395.

What is Kelsey O'neill's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Kelsey O'neill accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Kelsey O'neill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kelsey O'neill was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.