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KATHERINE THERESE MAGEAU
NPI 1124734272
Counselor - Mental Health in Seattle, WA

Active since January 23, 2023Opted out of Medicare · through Jan 16, 2027
3295 SW AVALON WAY APT 309, SEATTLE, WA 98126(206) 651-5242 Get Directions Write a Review

NPPES record last updated: January 23, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katherine Therese Mageau NPPES

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

KATHERINE THERESE MAGEAU (NPI 1124734272) is an individual mental health provider in Seattle, Washington, licensed in Washington (MC61389318) and active in the NPI registry since January 2023. She has opted out of Medicare through January 16, 2027.

NPPES Registry Identity

NPI1124734272
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATHERINE THERESE MAGEAU
Location Address3295 SW AVALON WAY APT 309Seattle, WA 98126-2787
Mailing Address3295 Sw Avalon Way Apt 309Seattle, WA 98126-2787 · (206) 651-5242
Phone(206) 651-5242
Sole ProprietorYes
Enumeration DateJanuary 23, 2023
NPPES CertifiedJanuary 23, 2023
✔ NPI 1124734272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · MC61389318
3295 SW AVALON WAY APT 309, Seattle, WA 98126
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Other Names 1

Professional Name (2)Kate Mageau

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Katherine Therese Mageau 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 January 16, 2025 through January 16, 2027.

Opt-Out Effective DateJanuary 16, 2025
Opt-Out In Effect ThroughJanuary 16, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Mageau's NPI number?

The NPI number for Katherine Mageau is 1124734272. It was assigned to this individual provider in the NPPES registry on January 23, 2023. The provider is also known as Kate Mageau.

Where is Katherine Mageau located?

Katherine Mageau practices at 3295 SW Avalon Way Apt 309, Seattle, WA 98126. The listed phone number is (206) 651-5242.

What is Katherine Mageau's specialty?

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

Is Katherine Mageau enrolled in Medicare?

No. Katherine Mageau has opted out of Medicare through January 16, 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 Katherine Mageau was last updated on January 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.