WILLIAM S TRELOAR DO
NPI 1174594360
Emergency Medicine in Roseburg, OR
About William S Treloar Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM S TRELOAR DO (NPI 1174594360) is an individual emergency medicine provider in Roseburg, Oregon, licensed in Oregon (DO26167) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William S Treloar Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97470 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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 Treloar's NPI number?
The NPI number for William Treloar is 1174594360. It was assigned to this individual provider in the NPPES registry on January 27, 2006.
Where is William Treloar located?
William Treloar practices at 2700 NW Stewart Pkwy, Roseburg, OR 97470. The listed phone number is (541) 677-4313.
What is William Treloar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Treloar enrolled in Medicare?
Yes. William Treloar is registered in the Medicare PECOS enrollment system.
What insurance does William Treloar accept?
Health plans from Providence Health Plan list William Treloar 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 William Treloar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.
# William S Treloar, DO · NPI 1174594360
Emergency Medicine physician in Roseburg, Oregon. Individual provider, active in the CMS NPPES registry since January 27, 2006.
## Identity
- **NPI:** 1174594360 (Entity type: Individual)
- **Enumerated:** January 27, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DO26167 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 2700 NW STEWART PKWY, Roseburg, OR 97470-1281
- **Phone:** (541) 677-4313 · **Fax:** (541) 677-4533
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other P00265023 (OR); Medicaid 026816 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1174594360) · Data from the CMS NPPES public registry.