Individual provider Active NPI

Mary Shelkey, ARNP

  • Nurse Practitioner
  • Everett, WA
National Provider Identifier
1447314802
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
AP30005254 Issued in WA
Practice address
3901 Hoyt Ave
Everett, WA 98201-4918
Phone
(425) 304-1144
NPI assigned
Dec 20, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 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 AP30005254 WA Primary

Addresses

Primary practice location

3901 Hoyt Ave
Everett, WA 98201-4918

Mailing address

7600 Evergreen Way
Everett, WA 98203-6421
Phone (206) 860-5414

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
I20040302001004 WA Practitioner - Nurse Practitioner 7416844691 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

3901 Hoyt Ave
Everett, WA 98201-4918
Phone (425) 339-5442

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Care Washington PLLC CurrentSince Aug 2, 2025 Accepting new patients
The Polyclinic PLLC CurrentSince Jun 29, 2025 Accepting new patients
Bastion Health PC CurrentSince Mar 19, 2021 Accepting new patients
Optum Care Washington PLLC CurrentSince Aug 2, 2025 Accepting new patients
The Polyclinic PLLC CurrentSince Jun 29, 2025 Accepting new patients
Optum Care Washington PLLC Past Accepting new patients
The Polyclinic PLLC Past Accepting new patients

Locations

3927 Rucker Ave
Everett, WA 98201
Phone (425) 339-5419

3901 Hoyt Ave
Everett, WA 98201
Phone (425) 258-3903

1330 Rockefeller Ave
Everett, WA 98201
Phone (425) 258-3903

6811 S 204th St
Ste 280
Kent, WA 98032
Phone (206) 229-6448

1412 SW 43rd St
Ste 240
Renton, WA 98057
Phone (253) 852-4699

1145 Broadway
Seattle, WA 98122

9709 3rd Ave NE
Seattle, WA 98115
Phone (206) 525-5777

904 7th Ave
Seattle, WA 98104
Phone (206) 223-6487

1201 N 175th St
Shoreline, WA 98133
Phone (425) 339-4299

1812 S J St
Ste 102
Tacoma, WA 98405
Phone (253) 552-4900

Interoperability endpoints

  • Direct secure messaging: mshelkey101224@direct.tecmc.com

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1166572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1447314802",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7600 EVERGREEN WAY",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982036421",
            "telephone_number": "206-860-5414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3901 HOYT AVE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982014918",
            "telephone_number": "425-304-1144"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHELKEY",
        "first_name": "MARY",
        "credential": "ARNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-12-20",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP30005254",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Everett, WA

Sources for this page

Verify at the official NPI Registry.