DR. WILLIAM KENT HREBEC DO
NPI 1881268613
Anesthesiology in Seattle, WA
About Dr. William Kent Hrebec Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM KENT HREBEC DO (NPI 1881268613) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (OP61663890) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William Kent Hrebec Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Hrebec reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 233 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Hrebec's NPI number?
The NPI number for William Hrebec is 1881268613. It was assigned to this individual provider in the NPPES registry on May 17, 2021.
Where is William Hrebec located?
William Hrebec practices at 600 Broadway Ste 270, Seattle, WA 98122. The listed phone number is (206) 625-0578.
What is William Hrebec's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Hrebec enrolled in Medicare?
Yes. William Hrebec is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Hrebec's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hrebec reassigns Medicare benefits to Physicians Anesthesia Service PLLC (Seattle, WA). The 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 William Hrebec's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Hrebec affiliated with any hospitals?
According to CMS data, William Hrebec is affiliated with Swedish Medical Center / Cherry Hill and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for William Hrebec was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. William Kent Hrebec, DO · NPI 1881268613
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 17, 2021.
## Identity
- **NPI:** 1881268613 (Entity type: Individual)
- **Enumerated:** May 17, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** OP61663890 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 BROADWAY STE 270, Seattle, WA 98122-5392
- **Phone:** (206) 625-0578 · **Fax:** (206) 625-9184
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physicians Anesthesia Service PLLC (NPI 1417962200, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1881268613) · Data from the CMS NPPES public registry.