MARY KATHRYN EDWARDS MS CRNA
NPI 1659843456
Nurse Anesthetist, Certified Registered in Seattle, WA
About Mary Kathryn Edwards Ms Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATHRYN EDWARDS MS CRNA (NPI 1659843456) is an individual nurse anesthetist, certified registered in Seattle, Washington, licensed in Washington (AP60929531) and active in the NPI registry since December 2018. She is affiliated with Virginia Mason Medical Center and is a graduate of Other (2018).
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
Mary Kathryn Edwards Ms Crna 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
3Medicare enrollment records show Mary Edwards reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 clinicians in this Medicare group
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 56 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Providence Wa Anesthesia Services, PC
- 171 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 3
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.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WAProvidence Regional Medical Center Everett
Acute Care Hospitals · Everett, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98101 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.
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 Mary Edwards's NPI number?
The NPI number for Mary Edwards is 1659843456. It was assigned to this individual provider in the NPPES registry on December 19, 2018.
Where is Mary Edwards located?
Mary Edwards practices at 1100 9th Ave B2-An, Seattle, WA 98101. The listed phone number is (206) 223-6980.
What is Mary Edwards's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Edwards enrolled in Medicare?
Yes. Mary Edwards 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 Mary Edwards's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Edwards reassigns Medicare benefits to 3 organizations: Virginia Mason Medical Center (Seattle, WA), Advanced Anesthesia Services, PLLC (Bellevue, WA) and Providence Wa Anesthesia Services, P.C. (Everett, WA). 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 Mary Edwards's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Edwards accept?
Health plans from Ambetter Health list Mary Edwards 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 Mary Edwards affiliated with any hospitals?
According to CMS data, Mary Edwards is affiliated with Virginia Mason Medical Center and Providence Regional Medical Center Everett.
When was this NPI record last updated?
The NPPES record for Mary Edwards was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mary Kathryn Edwards, MS CRNA · NPI 1659843456
Nurse Anesthetist, Certified Registered physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since December 19, 2018.
## Identity
- **NPI:** 1659843456 (Entity type: Individual)
- **Enumerated:** December 19, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP60929531 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 9TH AVE, B2-AN, Seattle, WA 98101-2756
- **Phone:** (206) 223-6980
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Virginia Mason Medical Center (NPI 1003970989, Seattle, WA); Advanced Anesthesia Services, PLLC (NPI 1700211786, Bellevue, WA); Providence Wa Anesthesia Services, P.C. (NPI 1669615894, Everett, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1659843456) · Data from the CMS NPPES public registry.