VIRGINIA MASON MEDICAL CENTER
NPI 1801851258
General Acute Care Hospital in Seattle, WA
About Virginia Mason Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIRGINIA MASON MEDICAL CENTER (NPI 1801851258) is a healthcare organization registered as a general acute care hospital in Seattle, Washington and active in the NPI registry since April 2006. The organization lists Monica Hilt, President, Vmmc Administration, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Virginia Mason Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,019Medicare enrollment records show 1,019 clinicians reassign Medicare billing to Virginia Mason Medical Center, which bills Medicare for the services they deliver. Of these, 495 practice at this address and 674 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 62
Nearest to this location (20)
See all 1,019Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Quality Ratings CMS Care Compare
Quality and patient-experience ratings for Virginia Mason Medical Center (CMS certification number 500005), from CMS Care Compare.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WAPatient Experience
HCAHPS patient survey · Jan 2023 – Dec 2023Complications & Deaths 19
Infections 6
Unplanned Hospital Visits 14
Timely & Effective Care 15
Maternal Health 3
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 Virginia Mason Medical Center's NPI number?
The NPI number for Virginia Mason Medical Center is 1801851258. It was assigned to this organization in the NPPES registry on April 19, 2006.
Where is Virginia Mason Medical Center located?
Virginia Mason Medical Center is located at 925 Seneca St, Seattle, WA 98101. The listed phone number is (206) 223-6600.
What is Virginia Mason Medical Center's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Virginia Mason Medical Center enrolled in Medicare?
Yes. Virginia Mason Medical Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Virginia Mason Medical Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,019 clinicians in 62 Medicare specialties reassign their Medicare billing to Virginia Mason Medical Center. 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 Internal Medicine (108), Nurse Practitioner (99) and Certified Registered Nurse Anesthetist (CRNA) (80). Of these, 495 practice at this address and 674 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Is Virginia Mason Medical Center a Medicare-certified hospital?
Yes. Virginia Mason Medical Center is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.
What quality rating does Virginia Mason Medical Center have?
CMS rates Virginia Mason Medical Center 5 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.
What insurance does Virginia Mason Medical Center accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Virginia Mason Medical Center as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Virginia Mason Medical Center was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Virginia Mason Medical Center · NPI 1801851258
General Acute Care Hospital organization in Seattle, Washington. Organization record, active in the CMS NPPES registry since April 19, 2006.
## Identity
- **NPI:** 1801851258 (Entity type: Organization)
- **Enumerated:** April 19, 2006
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Organization subpart:** No
- **Authorized official:** Monica Hilt, PRESIDENT, VMMC ADMINISTRATION
## Practice location
- **Address:** 925 SENECA ST, Seattle, WA 98101-2742
- **Phone:** (206) 223-6600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,019 clinicians in 62 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (108), Nurse Practitioner (99), Certified Registered Nurse Anesthetist (CRNA) (80); 495 practice at this address and 674 within 10 miles; [full list](https://npiprofile.com/npi/1801851258/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2026
- **Other identifiers:** Medicaid 3315009 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801851258) · Data from the CMS NPPES public registry.