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

Mary Jean Lechner Cowan, MSW

Individual provider Clinical Social Worker · NPI 1386877272

Mary Jean Lechner Cowan, MSW is a Clinical Social Worker in Seattle, Washington. Registered with an NPI since 2009.

In the registry since
2009
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

2600 SW Holden St
Seattle, WA 98126-3505
Phone: (206) 617-5124
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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

Record details

NPI number1386877272
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedAugust 26, 2009
Last updated in NPPESAugust 5, 2014

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