Individual provider Active NPI

Larkin Amanda Jefferson, ARNP

  • Acute Care Nurse Practitioner
  • Seattle, WA
National Provider Identifier
1902596752
Registry record updated Jun 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
AP61440167 Issued in WA
Practice address
550 17TH Ave Ste 110
Seattle, WA 98122-5789
Phone
(206) 320-3470
Fax
(206) 320-3471
NPI assigned
May 15, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 27, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN60512118 WA
Acute Care Nurse Practitioner 363LA2100X AP61440167 WA Primary

Addresses

Primary practice location

550 17TH Ave Ste 110
Seattle, WA 98122-5789

Mailing address

PO Box 25608
Salt Lake City, UT 84125-0608
Phone (206) 320-4476

Other identifiers 1

IdentifierTypeStateIssuer
2308688MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241112004532 WA Practitioner - Nurse Practitioner 4385178409 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

550 17TH Ave
Suite 110
Seattle, WA 98122-5789
Phone (206) 320-3470

Hospital & facility affiliations

  • Swedish Medical Center / Cherry Hill Hospital, Seattle, WA, CCN 500025
  • Olympic Medical Center Hospital, Port Angeles, WA, CCN 500072
  • Swedish Issaquah Hospital, Issaquah, WA, CCN 500152

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN60512118WAMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Swedish Health Services CurrentSince Nov 4, 2024 Accepting new patients
Swedish Health Services Past Accepting new patients

Locations

7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800

747 Broadway
Seattle, WA 98122
Phone (360) 658-2488

550 17th Ave
Ste 110
Seattle, WA 98122
Phone (206) 320-3470

Organizations & group practices 2

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

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": "1684108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750982400000",
    "number": "1902596752",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476",
            "fax_number": "206-568-7043"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 17TH AVE STE 110",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981225789",
            "telephone_number": "206-320-3470",
            "fax_number": "206-320-3471"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEFFERSON",
        "first_name": "LARKIN",
        "middle_name": "AMANDA",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-05-15",
        "last_updated": "2025-06-27",
        "certification_date": "2025-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN60512118",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WA",
            "license": "AP61440167",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2308688",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.