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

Tonia Washington

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1669940888

Tonia Washington is an Addiction (Substance Use Disorder) Counselor in Seattle, Washington. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

8444 Rainier Ave S
Seattle, WA 98118-4655
Phone: (253) 833-7444
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1669940888
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 6, 2018
Last updated in NPPESNovember 6, 2018

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