Individual provider Active NPI

Hilary M Walker, ARNP

  • Nurse Practitioner
  • Federal Way, WA
National Provider Identifier
1790195832
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
AP6046253 Issued in WA
Practice address
33501 1St Way S
Federal Way, WA 98003-6208
Phone
(253) 838-2400
Fax
(253) 874-1782
NPI assigned
Apr 29, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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 AP6046253 WA Primary

Addresses

Primary practice location

33501 1St Way S
Federal Way, WA 98003-6208

Mailing address

PO Box 741515
Los Angeles, CA 90074-1515
Phone (253) 838-2400

Other names 1

  • Hilary Otorowski Former name

Electronic endpoints 1

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

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
I20140709000916 WA Practitioner - Nurse Practitioner 7214152180 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians

Practice addresses (Care Compare)

10452 Silverdale Way NW
Silverdale, WA 98383-9411
Phone (360) 307-7300

1344 Wintergreen LN NE
Bainbridge Island, WA 98110-5118
Phone (206) 842-5632

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
AP6046253WAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Mason Medical Center CurrentSince Oct 30, 2025 Accepting new patients
Virginia Mason Medical Center CurrentSince Oct 30, 2025 Accepting new patients
Virginia Mason Medical Center Current Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince May 7, 2018 Accepting new patients
Kaiser Foundation Health Plan of Washington Current Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince May 7, 2018 Accepting new patients

Locations

380 Winslow Way E
Bainbridge Island, WA 98110
Phone (206) 842-5632

1344 Wintergreen Ln NE
Bainbridge Island, WA 98110
Phone (206) 842-5632

33501 1st Way S
Federal Way, WA 98003
Phone (253) 838-2400

19379 7th Ave NE
Poulsbo, WA 98370
Phone (360) 394-1000

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

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

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

939 Mountain View Dr
Ste 100
Shelton, WA 98584
Phone (360) 426-2653

10452 Silverdale Way NW
Silverdale, WA 98383
Phone (360) 307-7300

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

Organizations & group practices 6

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 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": "1398729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1790195832",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 741515",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900741515",
            "telephone_number": "253-838-2400",
            "fax_number": "253-874-1782"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33501 1ST WAY S",
            "city": "FEDERAL WAY",
            "state": "WA",
            "postal_code": "980036208",
            "telephone_number": "253-838-2400",
            "fax_number": "253-874-1782"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "HILARY",
        "middle_name": "M",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-29",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP6046253",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "19379 7th Ave NE",
            "city": "Poulsbo",
            "state": "WA",
            "country_code": "US",
            "postal_code": "983707504",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "HILARY",
            "last_name": "OTOROWSKI",
            "credential": "ARNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Federal Way, WA

Sources for this page

Verify at the official NPI Registry.