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

ZOE MASON
NPI 1326930983
Social Worker in Seattle, WA

Q: What is Zoe Mason's NPI number?

The NPI number for Zoe Mason is 1326930983. It was assigned to this individual provider in the NPPES registry on July 17, 2025.

Q: What is Zoe Mason's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Zoe Mason was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 17, 2025

1600 E OLIVE ST, SEATTLE, WA 98122(206) 901-2000(206) 901-2010 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 9, 2026, Jul 27, 2026 (2 updates tracked since 2026).

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About Zoe Mason NPPES

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

ZOE MASON (NPI 1326930983) is an individual social worker in Seattle, Washington and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1326930983

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameZOE MASON

Location Address1600 E OLIVE STSeattle, WA 98122-2735

Mailing Address6400 Southcenter BlvdTukwila, WA 98188-2547 · (206) 901-2000 · Fax (206) 901-2010

Phone(206) 901-2000

Fax(206) 901-2010

Sole ProprietorNo

Enumeration DateJuly 17, 2025

Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1326930983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

1600 E OLIVE ST, Seattle, WA 98122

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Other Providers at the Same Location NPPES 20

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

MISS LUCY P SPIRO RC

Student in an Organized Health Care Education/Training Program

1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122

King County (206) 302-2200

JAMES ELI SAAD BA, RC

Counselor (Professional)

1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122

King County (206) 302-2200

MS. BRENDA LYNNE' MILLER-SERMENO M.A, MHP

Counselor (Mental Health)

1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122

King County (206) 302-2200

MR. RICHARD WILLIAM IRWIN AAS, CDP

Counselor (Addiction (Substance Use Disorder))

1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122

King County (206) 302-2200

DR. BROOKE D KATZ ARNP

Nurse Practitioner (Psychiatric/Mental Health)

1600 E OLIVE ST
SEATTLE, WA 98122

King County (206) 302-2800

MISS MARBIE GUACEN DESCATAMIENTO BA, CDPT, AAC

Counselor (Mental Health)

1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122

King County (206) 302-2200

MS. SARAH C SAWYER

Counselor (Mental Health)

1600 E OLIVE ST
SEATTLE, WA 98122

King County (206) 302-2200

SHELLEY LYNN NIXON SHEPHERD RN, BSN

Registered Nurse

1600 E OLIVE ST
SEATTLE, WA 98122

King County (206) 901-2000

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 Zoe Mason's NPI number?

The NPI number for Zoe Mason is 1326930983. It was assigned to this individual provider in the NPPES registry on July 17, 2025.

Where is Zoe Mason located?

Zoe Mason practices at 1600 E Olive St, Seattle, WA 98122. The listed phone number is (206) 901-2000.

What is Zoe Mason's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Zoe Mason was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.