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MARY NICHOLLS
NPI 1063959278
Counselor - Mental Health in Seattle, WA

Active since January 25, 2017
4120 STONE WAY N, SEATTLE, WA 98103(206) 545-8643 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 19, 2025, Jan 25, 2017 (2 updates tracked since 2017).

About Mary Nicholls NPPES

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

MARY NICHOLLS (NPI 1063959278) is an individual mental health provider in Seattle, Washington, licensed in Washington (LH61588430) and active in the NPI registry since January 2017.

NPPES Registry Identity

NPI1063959278
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARY NICHOLLS
Location Address4120 STONE WAY NSeattle, WA 98103-8014
Mailing Address2133 Ferry Ave SwSeattle, WA 98116-2109 · (206) 434-9942
Phone(206) 545-8643
Sole ProprietorNo
Enumeration DateJanuary 25, 2017
Last NPPES UpdateDecember 19, 20252 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
✔ NPI 1063959278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · LH61588430
Also ListedCounselorTaxonomy 101Y00000X
4120 STONE WAY N, Seattle, WA 98103
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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.

YAKOV SHEVIN
Counselor (Mental Health)
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 545-1498
JOHN SCHULTZ
Counselor
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 465-3334
ELENA CATHERINE EVESLAGE
Counselor
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 461-3707
MICHELLE SAKALA WEBBER
Case Manager/Care Coordinator
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 461-3707
DR. ANTHONY VISONE PHARMD
Pharmacist (Psychiatric)
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 547-1765
JOEL JOHNSON KILLOUGH
Counselor
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 461-3707
JULIE BRAKE M.A.
Counselor (Mental Health)
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 399-9358
LYNE CONSTANTINEAU B.S. PSYCHOLOGY
Counselor
4120 STONE WAY N
SEATTLE, WA 98103
King County (206) 545-8603

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 Nicholls's NPI number?

The NPI number for Mary Nicholls is 1063959278. It was assigned to this individual provider in the NPPES registry on January 25, 2017.

Where is Mary Nicholls located?

Mary Nicholls practices at 4120 Stone Way N, Seattle, WA 98103. The listed phone number is (206) 545-8643.

What is Mary Nicholls's specialty?

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

When was this NPI record last updated?

The NPPES record for Mary Nicholls was last updated on December 19, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.