Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mary Nicholls

Individual provider Mental Health Counselor · NPI 1063959278

Mary Nicholls is a Mental Health Counselor in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2017.

Licensed in
WA
In the registry since
2017
Specialties on file
2

Practice location Address checks out

4120 Stone Way N
Seattle, WA 98103-8014
Phone: (206) 545-8643
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH61588430 (WA)
Counselor Taxonomy 101Y00000X

Record details

NPI number1063959278
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 25, 2017
Last updated in NPPESDecember 19, 2025
Certification dateDecember 19, 2025

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