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

Margaret Hull Yamasaki, LCSW

Individual provider Clinical Social Worker · NPI 1205463304

Margaret Hull Yamasaki, LCSW is a Clinical Social Worker in Corvallis, Oregon. Qualified in 1992, 34 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
34
Licensed in
OR
In the registry since
2020
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

636 SW 2nd St
Corvallis, OR 97333-4442
Phone: (458) 253-8896
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 L11068 (OR)

Record details

NPI number1205463304
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 26, 2020
Last updated in NPPESNovember 27, 2023
Certification dateNovember 21, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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