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

Holly J Williamson, ARNP

Individual provider Gerontology Nurse Practitioner · NPI 1205907375

Holly J Williamson, ARNP is a Gerontology Nurse Practitioner in Edmonds, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

21601 76th Ave W
Edmonds, WA 98026-7507
Phone: (425) 640-4006
Fax: (425) 640-4010
Show map & directions

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

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence AP30006630 (WA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X (WA)

Record details

NPI number1205907375
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedNovember 12, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address13239 105th Ave Ne, Kirkland, WA 98034-2042