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

Margaret Wangechi Mathai

Individual provider Mental Health Counselor · NPI 1609342658

Margaret Wangechi Mathai is a Mental Health Counselor in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018
Specialties on file
2

Practice location Address checks out

901 Rainier Ave S
Seattle, WA 98144-2839
Phone: (206) 470-3880
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X
Mental Health Counselor Taxonomy 101YM0800X · Licence SC603972275 (WA)

Record details

NPI number1609342658
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 17, 2018
Last updated in NPPESFebruary 20, 2019

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