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

MS. Marilyn C Williamson

Individual provider Social Worker · NPI 1164768032

MS. Marilyn C Williamson is a Social Worker in Chelan, Washington. Licensed in Washington. Registered with an NPI since 2012.

Licensed in
WA
In the registry since
2012
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Practice location Address checks out

503 E Highland Ave
Chelan, WA 98816-8631
Phone: (509) 682-8517
Fax: (509) 682-9614
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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 LW00007692 (WA)

Record details

NPI number1164768032
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 21, 2012
Last updated in NPPESDecember 21, 2012
Mailing address503 E Highland Ave, Chelan, WA 98816-8631

Other providers in Chelan