DR. BARCLAY T STEWART MD, MSCPH
NPI 1174822613
Surgery - Trauma Surgery in Seattle, WA
About Dr. Barclay T Stewart Md, Mscph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARCLAY T STEWART MD, MSCPH (NPI 1174822613) is an individual trauma surgery provider in Seattle, Washington, licensed in Washington (MD60370191) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Harborview Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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. Barclay T Stewart Md, Mscph 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 Reassignments
2Medicare enrollment records show Barclay Stewart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 267 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harborview Medical Center
Acute Care Hospitals · Seattle, WAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Barclay Stewart's NPI number?
The NPI number for Barclay Stewart is 1174822613. It was assigned to this individual provider in the NPPES registry on March 23, 2011.
Where is Barclay Stewart located?
Barclay Stewart practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 543-3687.
What is Barclay Stewart's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Barclay Stewart enrolled in Medicare?
Yes. Barclay Stewart 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 organizations bill Medicare for Barclay Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barclay Stewart reassigns Medicare benefits to 2 organizations: Harborview Medical Center (Seattle, WA) and The Association Of University Physicians (Seattle, WA). Each 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 Barclay Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Barclay Stewart accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Barclay Stewart 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.
Is Barclay Stewart affiliated with any hospitals?
According to CMS data, Barclay Stewart is affiliated with Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Barclay Stewart was last updated on June 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.