MARGARET CLAIRE WILSON
NPI 1518237684
Dietitian, Registered in Seattle, WA
About Margaret Claire Wilson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET CLAIRE WILSON (NPI 1518237684) is an individual dietitian, registered in Seattle, Washington, licensed in Washington (DI61246072) and active in the NPI registry since January 2012. She is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Margaret Claire Wilson 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 Margaret Wilson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98144
- Reassigned Medicare billing, Washington enrollment
- 53 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 98122
SEATTLE, WA 98122
SEATTLE, WA 98122
SEATTLE, WA 98122
SEATTLE, WA 98122
SEATTLE, WA 98122
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 Margaret Wilson's NPI number?
The NPI number for Margaret Wilson is 1518237684. It was assigned to this individual provider in the NPPES registry on January 6, 2012.
Where is Margaret Wilson located?
Margaret Wilson practices at 1600 E Olive St Sound Mental Health, Seattle, WA 98122. The listed phone number is (206) 302-2200.
What is Margaret Wilson's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Margaret Wilson enrolled in Medicare?
Yes. Margaret Wilson 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 Margaret Wilson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Wilson reassigns Medicare benefits to Seattle Indian Health Board (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 Margaret Wilson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Wilson accept?
Health plans from Ambetter Health and Providence Health Plan list Margaret Wilson 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 Margaret Wilson was last updated on February 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Margaret Claire Wilson · NPI 1518237684
Dietitian, Registered provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 6, 2012.
## Identity
- **NPI:** 1518237684 (Entity type: Individual)
- **Enumerated:** January 6, 2012
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** DI61246072 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 E OLIVE ST, SOUND MENTAL HEALTH, Seattle, WA 98122-2735
- **Phone:** (206) 302-2200 · **Fax:** (206) 302-2210
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Seattle Indian Health Board (NPI 1316012461, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 17, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1518237684) · Data from the CMS NPPES public registry.