UNIVERSITY OF WASHINGTON MEDICAL CENTER
NPI 1669639712
General Acute Care Hospital in Seattle, WA
About University Of Washington Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UNIVERSITY OF WASHINGTON MEDICAL CENTER (NPI 1669639712) is a healthcare organization registered as a general acute care hospital in Seattle, Washington and active in the NPI registry since May 2008. The organization lists Paul S. Ishizuka, Associate Executive Director Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
University Of Washington Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
273Medicare enrollment records show 273 clinicians reassign Medicare billing to University Of Washington Medical Center, which bills Medicare for the services they deliver. Of these, 86 practice at this address and 241 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 49
Nearest to this location (20)
See all 273Seattle, WA 98195
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 University Of Washington's NPI number?
The NPI number for University Of Washington is 1669639712. It was assigned to this organization in the NPPES registry on May 16, 2008. The provider is doing business as University Of Washington Medical Center.
Where is University Of Washington located?
University Of Washington is located at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 598-0502.
What is University Of Washington's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is University Of Washington enrolled in Medicare?
Yes. University Of Washington is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through University Of Washington?
According to the CMS Revalidation Reassignment List (October 2026 release), 273 clinicians in 49 Medicare specialties reassign their Medicare billing to University Of Washington. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Emergency Medicine (38), Nurse Practitioner (28) and Certified Registered Nurse Anesthetist (CRNA) (23). Of these, 86 practice at this address and 241 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for University Of Washington was last updated on June 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# University Of Washington Medical Center · NPI 1669639712
General Acute Care Hospital organization in Seattle, Washington. Organization record, active in the CMS NPPES registry since May 16, 2008.
## Identity
- **NPI:** 1669639712 (Entity type: Organization)
- **Enumerated:** May 16, 2008
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Legal business name:** University Of Washington
- **Organization subpart:** Yes (part of University Of Washington)
- **Authorized official:** Paul Ishizuka, ASSOCIATE EXECUTIVE DIRECTOR CFO
## Practice location
- **Address:** 1959 NE PACIFIC ST, Seattle, WA 98195-0001
- **Phone:** (206) 598-0502 · **Fax:** (206) 598-0516
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 273 clinicians in 49 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (38), Nurse Practitioner (28), Certified Registered Nurse Anesthetist (CRNA) (23); 86 practice at this address and 241 within 10 miles; [full list](https://npiprofile.com/npi/1669639712/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2008
- **Other identifiers:** Other 8940597 (WA); Medicare PIN AB36986 (WA); Medicaid 9636606 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669639712) · Data from the CMS NPPES public registry.