Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1134897002 Individual Practitioner Female Practitioner

Kathryn Ann Johnson

Physician Assistant • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Kathryn Johnson is a registered healthcare professional specializing in Physician Assistant in Seattle, WA. Practice services are available at 4311 11TH AVE NE STE 200 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4311 11th Ave Ne Ste 200

Seattle, WA 981056367

Telephone 2066164001
Associated Practice Facility / Clinic
🏢 Medex Nw Facility NPI 1306183785

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Seattle, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.3 Yrs
State Avg: 12.1 Yrs
Regional Practice Density
833 Specialists

Practicing in Seattle, WA (3774 Statewide)

Telehealth Adoption Rate
18.8% 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

CMS Verified: 2026-07-14
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License OR PA219751

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Darcy Mulligan

Physician Assistant

NPI 1013759380
Meron Miles

Physician Assistant - Surgical

NPI 1023736436
Andrew Miscovich , PA-S

Student in an Organized Health Care Education/Training Program

NPI 1023786431

PAS

Lauryn Carr , PA-C

Physician Assistant

NPI 1023836418

Physician Assistant (Certified)

Sunshine Pille

Physician Assistant - Surgical

NPI 1033582663
Gabriel Izumi

Physician Assistant

NPI 1033943923

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location July 14, 2026

Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367 (Tel: 2066164001)

📍
Updated Business Mailing Address July 14, 2026

Registered at 21604 SW LANGER FARMS PKWY, SHERWOOD, OR 971409760

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2026

Physician Assistant (License #PA219751 in OR)

📍
Updated Practice Location July 11, 2024

Registered at 3001 DAGGETT AVE, KLAMATH FALLS, OR 976011118 (Tel: 5418514800)

📍
Updated Business Mailing Address July 11, 2024

Registered at PO BOX 5074, SIOUX FALLS, SD 571175074

NPI Profile Active September 03, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location September 03, 2021

Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367 (Tel: 2066164001)

📍
Updated Business Mailing Address September 03, 2021

Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367

👤
Provider Name / Credentials Updated September 03, 2021

Recorded as KATHRYN JOHNSON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 03, 2021

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration September 03, 2021

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: 1134897002
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 03, 2021
Last Update: July 14, 2026
Sole Proprietor: No

Mailing Address

21604 Sw Langer Farms Pkwy

Sherwood, OR 971409760

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.