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Active NPI 1205907375 Individual Practitioner Female Practitioner

Holly J Williamson , ARNP

Nurse Practitioner - Gerontology • Edmonds, WA

Professional Overview & Biography Verified Profile Summary

Holly Williamson, ARNP is a registered healthcare professional specializing in Nurse Practitioner - Gerontology in Edmonds, WA. Practice services are available at 21601 76TH AVE W under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

21601 76th Ave W

Edmonds, WA 980267507

Telephone 4256404006
Fax 4256404010
Associated Practice Facility / Clinic
🏢 Swedish Edmonds Facility NPI 1033107214

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Gerontology in Edmonds, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 8.3 Yrs
Regional Practice Density
1 Specialists

Practicing in Edmonds, WA (210 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Nurse Practitioner - Gerontology Primary Specialty

NUCC Taxonomy Code: 363LG0600X

State License WA AP30006630

Definition to come...

Nurse Practitioner - Adult Health

NUCC Taxonomy Code: 363LA2200X

Definition to come...

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners
Barbara Fayette , PA-C

Physician Assistant

NPI 1003854902

Physician Assistant (Certified)

NPI 1013955913

Doctor of Medicine (M.D.)

NPI 1194762922

Doctor of Medicine (M.D.)

Michael Skroch , PA-C

Physician Assistant

NPI 1235299678

Physician Assistant (Certified)

Dr. Michael Olsen , MD

Internal Medicine

NPI 1336180454

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 21601 76TH AVE W, EDMONDS, WA 980267507 (Tel: 4256404006)

📍
Updated Business Mailing Address July 08, 2007

Registered at 13239 105TH AVE NE, KIRKLAND, WA 980342042 (Tel: 4258143199)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as HOLLY WILLIAMSON, ARNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Nurse Practitioner (License #AP30006630 in WA)

🟢
Initial NPI Registration & Enumeration November 12, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1205907375
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 12, 2006
Last Update: September 11, 2025
Sole Proprietor: No

Mailing Address

13239 105th Ave Ne

Kirkland, WA 980342042

Phone: 4258143199

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.