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

Donna Louise Williamson

Individual provider Social Worker · NPI 1225316540

Donna Louise Williamson is a Social Worker in Portland, Oregon. Practices as a sole proprietor. Registered with an NPI since 2011.

In the registry since
2011

Practice location Address checks out

9830 NE Cascades Pkwy Ste 200
Portland, OR 97220-6834
Phone: (503) 239-8101
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1225316540
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedAugust 3, 2011
Last updated in NPPESAugust 5, 2011
Mailing address9830 Ne Cascades Pkwy Ste 200, Portland, OR 97220-6834

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