DR. WILLIAM P. BARRETT M.D.
NPI 1528001682
Orthopaedic Surgery in Renton, WA
About Dr. William P. Barrett M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM P. BARRETT M.D. (NPI 1528001682) is an individual orthopaedic surgery provider in Renton, Washington, licensed in Washington (MD00019510) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William P. Barrett M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Barrett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 589 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
RENTON, WA 98055
RENTON, WA 98055
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 Barrett's NPI number?
The NPI number for William Barrett is 1528001682. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is William Barrett located?
William Barrett practices at 4011 Talbot Rd S Suite 300, Renton, WA 98055. The listed phone number is (425) 656-5060.
What is William Barrett's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is William Barrett enrolled in Medicare?
Yes. William Barrett is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Barrett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Barrett reassigns Medicare benefits to Proliance Surgeons Inc P S (Renton, 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 Barrett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Barrett was last updated on December 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. William P. Barrett, M.D. · NPI 1528001682
Orthopaedic Surgery physician in Renton, Washington. Individual provider, active in the CMS NPPES registry since June 14, 2006.
## Identity
- **NPI:** 1528001682 (Entity type: Individual)
- **Enumerated:** June 14, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** MD00019510 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 4011 TALBOT RD S, SUITE 300, Renton, WA 98055-5773
- **Phone:** (425) 656-5060 · **Fax:** (425) 656-5047
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Proliance Surgeons Inc P S (NPI 1417990797, Renton, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2011
- **Other identifiers:** Medicare ID-Type Unspecified 000106382 (WA); Medicare UPIN B87173 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528001682) · Data from the CMS NPPES public registry.