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

Mr. William Joseph Soderberg III, LICSW

Individual provider Clinical Social Worker · NPI 1902481898

Mr. William Joseph Soderberg III, LICSW is a Clinical Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2021
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

180 Nickerson St Ste 308
Seattle, WA 98109-1631
Phone: (206) 902-7003
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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 LW00009294 (WA)

Record details

NPI number1902481898
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedMarch 12, 2021
Last updated in NPPESMarch 12, 2021
Certification dateMarch 12, 2021

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