1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Social Worker
  6. NPI Profile

OSCAR ROSALES CASTANEDA MSW
NPI 1609668813
Social Worker in Seattle, WA

Active since May 22, 2025
325 9TH AVE, SEATTLE, WA 98104(206) 584-7635(206) 744-5138 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Oscar Rosales Castaneda Msw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OSCAR ROSALES CASTANEDA MSW (NPI 1609668813) is an individual social worker in Seattle, Washington, licensed in Washington (SA61076299) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1609668813
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameOSCAR ROSALES CASTANEDACredential: MSW
Location Address325 9TH AVESeattle, WA 98104-2499
Mailing Address325 9th AveSeattle, WA 98104-2499
Phone(206) 584-7635
Fax(206) 744-5138
Sole ProprietorNo
Enumeration DateMay 22, 2025
NPPES CertifiedMay 21, 2025
✔ NPI 1609668813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WA · SA61076299
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
325 9TH AVE, Seattle, WA 98104
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANDRA K WALKER ARNP
Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 598-0502
JULIA J VISSER DPT
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
King County (206) 744-1675
GENIA J MONCADA
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
King County (206) 731-3219
JACQUELINE M. KIM LICSW, MSW
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
King County (206) 744-8511
MS. DIANE E WHEELER MS, PA-C
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-3000
AMELIA V. RIVERA
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 774-3300
TIMOTHY WILLIAM MENZA MD, PHD
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 520-5000
DEMETRIOS TEREZAKIS
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-6112

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oscar Rosales Castaneda's NPI number?

The NPI number for Oscar Rosales Castaneda is 1609668813. It was assigned to this individual provider in the NPPES registry on May 22, 2025.

Where is Oscar Rosales Castaneda located?

Oscar Rosales Castaneda practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 584-7635.

What is Oscar Rosales Castaneda's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Oscar Rosales Castaneda was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.