DR. TREVOR G DUNCAN
NPI 1972363299
Counselor - Mental Health in Ellensburg, WA
About Dr. Trevor G Duncan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TREVOR G DUNCAN (NPI 1972363299) is an individual mental health provider in Ellensburg, Washington, licensed in Washington (70064719) and active in the NPI registry since March 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Trevor G Duncan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Trevor Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Miami, FL 33130
- Reassigned Medicare billing, Washington enrollment
- 519 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.
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 Trevor Duncan's NPI number?
The NPI number for Trevor Duncan is 1972363299. It was assigned to this individual provider in the NPPES registry on March 21, 2024.
Where is Trevor Duncan located?
Trevor Duncan practices at 707 N Pearl St, Ellensburg, WA 98926. The listed phone number is (509) 925-7507.
What is Trevor Duncan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Trevor Duncan enrolled in Medicare?
Yes. Trevor Duncan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Trevor Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trevor Duncan reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). 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 Trevor Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Trevor Duncan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Trevor Duncan 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 Trevor Duncan was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Trevor G Duncan · NPI 1972363299
Mental Health provider in Ellensburg, Washington. Individual provider, active in the CMS NPPES registry since March 21, 2024.
## Identity
- **NPI:** 1972363299 (Entity type: Individual)
- **Enumerated:** March 21, 2024
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 70064719 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 707 N PEARL ST, Ellensburg, WA 98926-2938
- **Phone:** (509) 925-7507
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PA (NPI 1245845932, Miami, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972363299) · Data from the CMS NPPES public registry.