BRENT DUNCAN
NPI 1174135925
Chiropractor in Seattle, WA
About Brent Duncan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRENT DUNCAN (NPI 1174135925) is an individual chiropractor in Seattle, Washington, licensed in Washington (CH61083567) and active in the NPI registry since August 2020. He is a graduate of Other (2019).
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 and accepts Medicare assignment
Brent Duncan 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 Reassignment
Medicare enrollment records show Brent Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 41 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.
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 Brent Duncan's NPI number?
The NPI number for Brent Duncan is 1174135925. It was assigned to this individual provider in the NPPES registry on August 21, 2020.
Where is Brent Duncan located?
Brent Duncan practices at 4813 SW Walker St, Seattle, WA 98116. The listed phone number is (206) 218-9665.
What is Brent Duncan's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Brent Duncan enrolled in Medicare?
Yes. Brent Duncan 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 organization bills Medicare for Brent Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brent Duncan reassigns Medicare benefits to Functional Health Consulting, LLC (Seattle, 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 Brent Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brent Duncan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Brent 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 Brent Duncan was last updated on August 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Brent Duncan · NPI 1174135925
Chiropractor provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since August 21, 2020.
## Identity
- **NPI:** 1174135925 (Entity type: Individual)
- **Enumerated:** August 21, 2020
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** CH61083567 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4813 SW WALKER ST, Seattle, WA 98116-2149
- **Phone:** (206) 218-9665
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Functional Health Consulting, LLC (NPI 1871801522, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 21, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1174135925) · Data from the CMS NPPES public registry.