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MARY KATHERINE SEITZ
NPI 1891457750
Social Worker - Clinical in Seattle, WA

Active since October 07, 2021Opted out of Medicare · through May 20, 2028
2512 E MADISON ST APT 302, SEATTLE, WA 98112(206) 697-1685 Get Directions Write a Review

NPPES record last updated: October 7, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Katherine Seitz NPPES

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

MARY KATHERINE SEITZ (NPI 1891457750) is an individual clinical provider in Seattle, Washington, licensed in Washington (60163938) and active in the NPI registry since October 2021. She has opted out of Medicare through May 20, 2028.

NPPES Registry Identity

NPI1891457750
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY KATHERINE SEITZ
Location Address2512 E MADISON ST APT 302Seattle, WA 98112-4756
Mailing Address2512 E Madison St Apt 302Seattle, WA 98112-4756
Phone(206) 697-1685
Sole ProprietorYes
Enumeration DateOctober 7, 2021
NPPES CertifiedOctober 7, 2021
✔ NPI 1891457750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · 60163938
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.
2512 E MADISON ST APT 302, Seattle, WA 98112
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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 ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mary Katherine Seitz 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 May 20, 2024 through May 20, 2028.

Opt-Out Effective DateMay 20, 2024
Opt-Out In Effect ThroughMay 20, 2028Opt-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 Mary Seitz's NPI number?

The NPI number for Mary Seitz is 1891457750. It was assigned to this individual provider in the NPPES registry on October 7, 2021.

Where is Mary Seitz located?

Mary Seitz practices at 2512 E Madison St Apt 302, Seattle, WA 98112. The listed phone number is (206) 697-1685.

What is Mary Seitz's specialty?

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

Is Mary Seitz enrolled in Medicare?

No. Mary Seitz has opted out of Medicare through May 20, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Mary Seitz accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Mary Seitz 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 Mary Seitz was last updated on October 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.