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HOLLY J WILLIAMSON ARNP
NPI 1205907375
Nurse Practitioner - Gerontology in Edmonds, WA

Active since November 12, 2006
21601 76TH AVE W, EDMONDS, WA 98026(425) 640-4006(425) 640-4010 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Holly J Williamson Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HOLLY J WILLIAMSON ARNP (NPI 1205907375) is an individual gerontology provider in Edmonds, Washington, licensed in Washington (AP30006630) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1205907375
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameHOLLY J WILLIAMSONCredential: ARNP
Location Address21601 76TH AVE WEdmonds, WA 98026-7507
Mailing Address13239 105th Ave NeKirkland, WA 98034-2042 · (425) 814-3199
Phone(425) 640-4006
Fax(425) 640-4010
Sole ProprietorNo
Enumeration DateNovember 12, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1205907375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in WA · AP30006630
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X
21601 76TH AVE W, Edmonds, WA 98026
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BARBARA R FAYETTE PA C
Physician Assistant
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4000
ALEXANDER C CHUNG MD
Hospitalist
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4000
PHD#2 OF SNOHOMISH COUNTY
Psychiatric Unit
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4000
CARISSA RENEE KONO PT
Physical Therapist
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4145
SWEDISH EDMONDS
General Acute Care Hospital
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4000
DR. JAMES FREDERICK BARTSCHER M.D.
Psychiatry & Neurology (Neurology)
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (206) 215-2520
JENNIFER N KWOK PHARM.D.
Pharmacist
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4180
SWEDISH EDMONDS
Psychiatry & Neurology (Psychiatry)
21601 76TH AVE W
EDMONDS, WA 98026
Snohomish County (425) 640-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Holly Williamson's NPI number?

The NPI number for Holly Williamson is 1205907375. It was assigned to this individual provider in the NPPES registry on November 12, 2006.

Where is Holly Williamson located?

Holly Williamson practices at 21601 76th Ave W, Edmonds, WA 98026. The listed phone number is (425) 640-4006.

What is Holly Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

When was this NPI record last updated?

The NPPES record for Holly Williamson was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.