Individual provider Active NPI

Michael Superfisky

  • Certified Registered Nurse Anesthetist
  • Seattle, WA
National Provider Identifier
1578927935
Registry record updated Jun 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
AP60660939 Issued in WA
Practice address
1959 NE Pacific St
Seattle, WA 98195-0001
Phone
(206) 543-6420
NPI assigned
Apr 11, 2016
Last updated
Jun 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 100429 GU
Certified Registered Nurse Anesthetist 367500000X AP60660939 WA Primary

Addresses

Primary practice location

1959 NE Pacific St
Seattle, WA 98195-0001

Mailing address

PO Box 50095
Seattle, WA 98145-5095
Phone (206) 543-6420

Other identifiers 1

IdentifierTypeStateIssuer
1578927935MedicaidWA

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, GU2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20160722001120 WA Practitioner - Certified Registered Nurse Anesthetist (Crna) 5799078101 Reassigns benefits to 2 organizations
I20250506002451 GU Practitioner - Certified Registered Nurse Anesthetist (Crna) 5799078101 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Guam Memorial HospitalGroup PAC ID 5890781694, 132 clinicians

Practice addresses (Care Compare)

133 Route 3
Dededo, GU 96929-6911
Phone (671) 645-5500

850 Gov Carlos G Camacho Rd
Tamuning, GU 96913-3128
Phone (671) 647-2552

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
100429GUMDCertified Registered Nurse Anesthetist
AP60660939WAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians CurrentSince Jul 1, 2016 Accepting new patients
Guam Healthcare Development Incorporated CurrentSince Apr 28, 2025 Accepting new patients
Guam Memorial Hospital CurrentSince Nov 14, 2025 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince May 17, 2023 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince May 17, 2023 Accepting new patients
Advanced Anesthesia Services, PLLC Nurse Anesthetist, Certified Registered CurrentSince Jan 15, 2024 Accepting new patients
Guam Memorial Hospital CurrentSince Nov 14, 2025 Accepting new patients

Locations

133 Route 3
Dededo, GU 96929
Phone (671) 645-5500

850 Gov Carlos G Camacho Rd
Tamuning, GU 96913
Phone (671) 647-2555

850 Gov Carlos G Camacho Rd
#R
Tamuning, GU 96913
Phone (671) 647-2552

11800 NE 128th St
Ste 100
Kirkland, WA 98034
Phone (425) 899-4500

1145 Broadway
Seattle, WA 98122

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

200 15th Ave E
Seattle, WA 98112
Phone (206) 326-4530

201 16th Ave E
Seattle, WA 98112
Phone (206) 326-4545

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

9505 S Steele St
Tacoma, WA 98444
Phone (253) 597-6800

Organizations & group practices 7

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 2

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": "1460332800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749427200000",
    "number": "1578927935",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-543-6420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981950001",
            "telephone_number": "206-543-6420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUPERFISKY",
        "first_name": "MICHAEL",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-04-11",
        "last_updated": "2025-06-09",
        "certification_date": "2025-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "GU",
            "license": "100429",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WA",
            "license": "AP60660939",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1578927935",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "1959 NE Pacific St",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981950001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "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 Jun 9, 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.