Individual provider Active NPI

Mary Kathryn Edwards, MS CRNA

  • Certified Registered Nurse Anesthetist
  • Seattle, WA
National Provider Identifier
1659843456
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
AP60929531 Issued in WA
Practice address
1100 9TH Ave
B2-an
Seattle, WA 98101-2756
Phone
(206) 223-6980
NPI assigned
Dec 19, 2018
Last updated
Dec 16, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X AP60929531 WA Primary

Addresses

Primary practice location

1100 9TH Ave
B2-an
Seattle, WA 98101-2756

Mailing address

101 60TH PL SE
Everett, WA 98203-3471
Phone (202) 597-4693

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190214001861 WA Practitioner - Certified Registered Nurse Anesthetist (Crna) 3072851120 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians
Advanced Anesthesia Services PLLCGroup PAC ID 6608159017, 39 clinicians
Providence Wa Anesthesia Services, PCGroup PAC ID 9335298884, 85 clinicians

Practice addresses (Care Compare)

1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 223-6600

1145 Broadway
Seattle, WA 98122-4201
Phone (425) 615-6100

1321 Colby Ave
Everett, WA 98201-1665
Phone (914) 491-9495

900 Pacific Ave
Everett, WA 98201-4168
Phone (914) 491-9495

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse, Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Mason Medical Center Nurse Anesthetist, Certified Registered CurrentSince Feb 14, 2019 Accepting new patients
Providence Wa Anesthesia Services, P.C. CurrentSince Feb 3, 2025 Accepting new patients
Advanced Anesthesia Services, PLLC Nurse Anesthetist, Certified Registered CurrentSince Dec 1, 2025 Accepting new patients
Virginia Mason Medical Center Current Accepting new patients
Virginia Mason Medical Center CurrentSince Feb 14, 2019 Accepting new patients

Locations

1321 Colby Ave
Everett, WA 98201
Phone (425) 259-4413

3726 Broadway
Ste 206
Everett, WA 98201
Phone (425) 374-5160

1100 9th Ave
Seattle, WA 98101
Phone (206) 223-6980

1100 9th Ave
#B2
Seattle, WA 98101
Phone (206) 223-6980

1145 Broadway
Seattle, WA 98122

4575 Sand Point Way NE
Ste 108
Seattle, WA 98105
Phone (206) 525-8000

35302 SE Center St
Snoqualmie, WA 98065
Phone (425) 216-8810

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1545177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1659843456",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 60TH PL SE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982033471",
            "telephone_number": "202-597-4693"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 9TH AVE",
            "address_2": "B2-AN",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981012756",
            "telephone_number": "206-223-6980"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EDWARDS",
        "first_name": "MARY",
        "middle_name": "KATHRYN",
        "credential": "MS CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-12-19",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WA",
            "license": "AP60929531",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.