Individual provider Active NPI

Johnna Rae Millen, ARNP

  • Nurse Practitioner
  • Seattle, WA
National Provider Identifier
1790933729
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
AP30005774 Issued in WA
Practice address
1221 Madison St Ste 600
Seattle, WA 98104-1364
Phone
(206) 215-5900
Fax
(206) 215-2250
NPI assigned
Sep 3, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X AP30005774 WA Primary

Addresses

Primary practice location

1221 Madison St Ste 600
Seattle, WA 98104-1364

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
2344984MedicaidWA

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
I20050126001098 WA Practitioner - Nurse Practitioner 7012967144 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1998
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)

1221 Madison St
Suite 600
Seattle, WA 98104-1364
Phone (206) 215-5900

Hospital & facility affiliations

  • Swedish Medical Center Hospital, Seattle, WA, CCN 500027

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Swedish Health Services CurrentSince Aug 5, 2025 Accepting new patients
Swedish Health Services Past Accepting new patients

Locations

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

1801 Lind Ave SW
Renton, WA 98057

1221 Madison St
Ste 600
Seattle, WA 98104
Phone (206) 215-5900

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

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 1

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": "1220400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1790933729",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 MADISON ST STE 600",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981041364",
            "telephone_number": "206-215-5900",
            "fax_number": "206-215-2250"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILLEN",
        "first_name": "JOHNNA",
        "middle_name": "RAE",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-09-03",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP30005774",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2344984",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.