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

Mrs. Margret Lillias Anderson, LCSW

Individual provider Clinical Social Worker · NPI 1265449631

Mrs. Margret Lillias Anderson, LCSW is a Clinical Social Worker in Vancouver, Washington. Qualified in 1990, 36 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Oregon and Washington.

Years since qualifying
36
Licensed in
OR, WA
In the registry since
2006
Specialties on file
2
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

7600 NE 41st St Ste 310
Vancouver, WA 98662-6791
Phone: (503) 319-5858
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence L1803 (OR)
Clinical Social Worker Taxonomy 1041C0700X · Licence LW00007712 (WA)

Record details

NPI number1265449631
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 1, 2006
Last updated in NPPESMay 29, 2026
Certification dateMay 29, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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