SHAWN VANDEUSEN TRELSTAD MD
NPI 1265455679
Emergency Medicine in Vancouver, WA
About Shawn Vandeusen Trelstad Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAWN VANDEUSEN TRELSTAD MD (NPI 1265455679) is an individual emergency medicine provider in Vancouver, Washington, licensed in Washington (MD00044562) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Columbia Memorial Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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
Shawn Vandeusen Trelstad Md 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 Shawn Trelstad reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 108 clinicians in this Medicare group
Astoria, OR 97103
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1134146939 (Oregon)
- 278 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Columbia Memorial Hospital
Critical Access Hospitals · Astoria, ORLegacy Salmon Creek Medical Center
Acute Care Hospitals · Vancouver, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98686 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.
VANCOUVER, WA 98686
VANCOUVER, WA 98686
VANCOUVER, WA 98686
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 Shawn Trelstad's NPI number?
The NPI number for Shawn Trelstad is 1265455679. It was assigned to this individual provider in the NPPES registry on July 26, 2006. The provider is also known as Shawn K Vandeusen MD.
Where is Shawn Trelstad located?
Shawn Trelstad practices at 2211 NE 139th St, Vancouver, WA 98686. The listed phone number is (360) 487-1400.
What is Shawn Trelstad's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Shawn Trelstad enrolled in Medicare?
Yes. Shawn Trelstad 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 Shawn Trelstad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shawn Trelstad reassigns Medicare benefits to 2 organizations: Northwest Acute Care Specialists PC (Vancouver, WA) and Columbia Lutheran Charities (Astoria, OR). 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 Shawn Trelstad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shawn Trelstad accept?
Health plans from Moda Health Plan, Inc. list Shawn Trelstad 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 Shawn Trelstad affiliated with any hospitals?
According to CMS data, Shawn Trelstad is affiliated with Columbia Memorial Hospital and Legacy Salmon Creek Medical Center.
When was this NPI record last updated?
The NPPES record for Shawn Trelstad was last updated on September 21, 2012. 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.
# Shawn Vandeusen Trelstad, MD · NPI 1265455679
Emergency Medicine physician in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since July 26, 2006.
## Identity
- **NPI:** 1265455679 (Entity type: Individual)
- **Enumerated:** July 26, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD00044562 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 2211 NE 139TH ST, Vancouver, WA 98686-2742
- **Phone:** (360) 487-1400
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Northwest Acute Care Specialists PC (NPI 1487811048, Vancouver, WA); Columbia Lutheran Charities (NPI 1700809761, Astoria, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** September 21, 2012
- **Other identifiers:** Medicare UPIN H69959; Medicaid 8388084 (WA); Medicare UPIN 8854383 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265455679) · Data from the CMS NPPES public registry.