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

Oscar Rosales Castaneda, MSW

Individual provider Social Worker · NPI 1609668813

Oscar Rosales Castaneda, MSW is a Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2025.

Licensed in
WA
In the registry since
2025
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

325 9th Ave
Seattle, WA 98104-2499
Phone: (206) 584-7635
Fax: (206) 744-5138
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence SA61076299 (WA)

Record details

NPI number1609668813
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedMay 22, 2025
Last updated in NPPESMay 22, 2025
Certification dateMay 21, 2025

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