Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WHITNEY ARLENE HARRISON PA-C
NPI 1205569480
Physician Assistant in Seattle, WA

Active since July 06, 2022
1660 S COLUMBIAN WAY, SEATTLE, WA 98108(206) 762-1010 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 21, 2026, Nov 15, 2022, Jul 6, 2022 (3 updates tracked since 2022).

About Whitney Arlene Harrison Pa-c NPPES

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

WHITNEY ARLENE HARRISON PA-C (NPI 1205569480) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA61364146) and active in the NPI registry since July 2022.

NPPES Registry Identity

NPI1205569480
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameWHITNEY ARLENE HARRISONCredential: PA-C
Location Address1660 S COLUMBIAN WAYSeattle, WA 98108-1532
Mailing Address2580 152nd Ave Ne Apt C416Redmond, WA 98052-5579 · (206) 520-5700
Sole ProprietorNo
Enumeration DateJuly 6, 2022
Last NPPES UpdateJuly 21, 20263 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
NPI 1205569480 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · PA61364146
Definition
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.
1660 S COLUMBIAN WAY, Seattle, WA 98108

Other Names 1

Former Name (1)Whitney Alderson Pa-c

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.

Radiology (Diagnostic Radiology)
1660 S COLUMBIAN WAY, DIAGNOSTIC IMAGING, S-RAD-114
SEATTLE, WA 98108
Licensed Practical Nurse
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
Psychologist
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
Occupational Therapist (Human Factors)
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
Social Worker (Clinical)
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
Registered Nurse
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
Radiology (Diagnostic Radiology)
1660 S COLUMBIAN WAY, DEPT. RADIOLOGY S-113, PSVAHCS
SEATTLE, WA 98108
Clinical Nurse Specialist
1660 S COLUMBIAN WAY, #128
SEATTLE, WA 98108

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 Whitney Harrison's NPI number?

The NPI number for Whitney Harrison is 1205569480. It was assigned to this individual provider in the NPPES registry on July 6, 2022. The provider is also known as Whitney Alderson Pa-C.

Where is Whitney Harrison located?

Whitney Harrison practices at 1660 S Columbian Way, Seattle, WA 98108. The listed phone number is (206) 762-1010.

What is Whitney Harrison's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Whitney Harrison was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.