Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Kathleen Brennan, MSW, DSW

Individual provider Clinical Social Worker · NPI 1386280238

Dr. Mary Kathleen Brennan, MSW, DSW is a Clinical Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2019
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

564 NE Ravenna Blvd
Seattle, WA 98115-6460
Phone: (206) 527-2266
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW00004504 (WA)

Record details

NPI number1386280238
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , DSW
Sole proprietorYes
NPI enumeratedNovember 25, 2019
Last updated in NPPESNovember 25, 2019

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