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

David Greiffenberg Woldtvedt, LICSW, SUDP

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1538721717

David Greiffenberg Woldtvedt, LICSW, SUDP is an Addiction (Substance Use Disorder) Counselor in Edmonds, Washington. Licensed in Washington. Registered with an NPI since 2019.

Licensed in
WA
In the registry since
2019
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.

See every abbreviation used in this directory →

Practice location Address checks out

123 2nd Ave S
Edmonds, WA 98020-8457
Phone: (425) 341-3448
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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 LW61538134 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence CP60744007 (WA)

Record details

NPI number1538721717
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW , SUDP
Sole proprietorNo
NPI enumeratedJuly 8, 2019
Last updated in NPPESDecember 6, 2024
Certification dateDecember 6, 2024

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