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

Duncan Charles Simpson, LISW, LICDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1346734456

Duncan Charles Simpson, LISW, LICDC is an Addiction (Substance Use Disorder) Counselor in Tacoma, Washington. Licensed in Ohio. Registered with an NPI since 2018.

Licensed in
OH
In the registry since
2018
Specialties on file
2
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

9040 Jackson Ave
Tacoma, WA 98431-0001
Phone: (253) 968-1110
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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 I.2103014 (OH)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence LICDC.162034 (OH)

Record details

NPI number1346734456
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW , LICDC
Sole proprietorNo
NPI enumeratedJune 21, 2018
Last updated in NPPESDecember 18, 2024
Certification dateDecember 12, 2024

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