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

Individual provider Clinical Social Worker · NPI 1104945518

Diedre A Knowlton, MSW, ASW is a Clinical Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in California, Oregon and Washington.

Licensed in
CA, OR, WA
In the registry since
2007
Specialties on file
4
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

4026 NE 55th St Ste D
Seattle, WA 98105-2254
Phone: (206) 941-4474
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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 60231703 (WA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 6196 (OR)
Clinical Social Worker Taxonomy 1041C0700X · Licence 27015 (CA)
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1104945518
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , ASW
Sole proprietorYes
NPI enumeratedMarch 28, 2007
Last updated in NPPESJuly 21, 2022

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