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

Sierra Cox

Individual provider Clinical Social Worker · NPI 1831665413

Sierra Cox is a Clinical Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018

Practice location Address checks out

1660 S Columbian Way
Seattle, WA 98108-1532
Phone: (206) 277-1010
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW61552332 (WA)

Record details

NPI number1831665413
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 22, 2018
Last updated in NPPESMarch 18, 2026
Certification dateMarch 18, 2026

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