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

Ellen B Mortensen, MSW

Individual provider Social Worker · NPI 1598818726

Ellen B Mortensen, MSW is a Social Worker in Shoreline, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
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

16376 28th Pl NE Shoreline
Shoreline, WA 98155-6417
Phone: (206) 459-3556
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LW00004069 (WA)

Record details

NPI number1598818726
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJanuary 19, 2007
Last updated in NPPESApril 29, 2020
Certification dateApril 29, 2020
Mailing address16376 28th Pl Ne, Shoreline, WA 98155-6417

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