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

David Nielsen, LICSW, SUDP-T

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1922576842

David Nielsen, LICSW, SUDP-T is an Addiction (Substance Use Disorder) Counselor in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018
Specialties on file
2
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

1426 S Jackson St
Seattle, WA 98144-2066
Phone: (206) 707-3155
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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 LW61374340 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence SC60979081 (WA)

Record details

NPI number1922576842
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW , SUDP-T
Sole proprietorNo
NPI enumeratedNovember 8, 2018
Last updated in NPPESNovember 3, 2023
Certification dateNovember 3, 2023

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