MR. STEPHEN PRESTON CASOWITZ PA-C
NPI 1013245851
Physician Assistant in Seattle, WA

Active since December 04, 2009
1660 S COLUMBIAN WAY, SEATTLE, WA 98108(206) 764-2215(206) 764-2529 Get Directions Write a Review

NPPES record last updated: December 4, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Stephen Preston Casowitz Pa-c NPPES

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

MR. STEPHEN PRESTON CASOWITZ PA-C (NPI 1013245851) is an individual physician assistant in Seattle, Washington, licensed in Washington (60123694) and active in the NPI registry since December 2009.

NPPES Registry Identity

NPI1013245851
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. STEPHEN PRESTON CASOWITZCredential: PA-C
Location Address1660 S COLUMBIAN WAYSeattle, WA 98108-1532
Mailing Address1660 S Columbian WaySeattle, WA 98108-1532 · (206) 764-2215 · Fax (206) 764-2529
Fax(206) 764-2529
Sole ProprietorYes
Enumeration DateDecember 4, 2009
NPI 1013245851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · 60123694
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 60123694 (WA)
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 60123694 (WA)
1660 S COLUMBIAN WAY, Seattle, WA 98108

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 Stephen Casowitz's NPI number?

The NPI number for Stephen Casowitz is 1013245851. It was assigned to this individual provider in the NPPES registry on December 4, 2009.

Where is Stephen Casowitz located?

Stephen Casowitz practices at 1660 S Columbian Way, Seattle, WA 98108. The listed phone number is (206) 764-2215.

What is Stephen Casowitz'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 Stephen Casowitz was last updated on December 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.