GWYN M. MANNERY ARNP
NPI 1386708808
Nurse Practitioner - Family in Seattle, WA
About Gwyn M. Mannery Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GWYN M. MANNERY ARNP (NPI 1386708808) is an individual family provider in Seattle, Washington, licensed in Washington (AP30006701) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gwyn M. Mannery Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gwyn Mannery reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 267 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 98104 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 Gwyn Mannery's NPI number?
The NPI number for Gwyn Mannery is 1386708808. It was assigned to this individual provider in the NPPES registry on December 20, 2006.
Where is Gwyn Mannery located?
Gwyn Mannery practices at 325 9th Ave Box 359798, Seattle, WA 98104. The listed phone number is (206) 697-1162.
What is Gwyn Mannery's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Gwyn Mannery enrolled in Medicare?
Yes. Gwyn Mannery is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gwyn Mannery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gwyn Mannery reassigns Medicare benefits to Harborview Medical Center (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 Gwyn Mannery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gwyn Mannery was last updated on September 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Gwyn M. Mannery, ARNP · NPI 1386708808
Family physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1386708808 (Entity type: Individual)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP30006701 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, BOX 359798, Seattle, WA 98104-2420
- **Phone:** (206) 697-1162 · **Fax:** (206) 744-3830
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Harborview Medical Center (NPI 1568557312, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 22, 2009
- **Other identifiers:** Medicare PIN 8863685 (WA); Medicare UPIN Q20611; Other 25793U (WA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1386708808) · Data from the CMS NPPES public registry.