Individual provider Active NPI

Sean Edward Legg, ARNP, DNP

  • Nurse Practitioner
  • Seattle, WA
National Provider Identifier
1942657416
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
AP60654128 Issued in WA
Practice address
1221 Madison St Ste 1020
Seattle, WA 98104-1380
Phone
(206) 215-2658
Fax
(206) 991-2363
NPI assigned
May 15, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X AP60654128 WA
Registered Nurse 163W00000X RN00166283 WA
Nurse Practitioner 363L00000X AP60654128 WA Primary

Addresses

Primary practice location

1221 Madison St Ste 1020
Seattle, WA 98104-1380

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
2059112MedicaidWA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address slegg612407@wm.providencedirect.org Direct

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
I20160629000675 WA Practitioner - Nurse Practitioner 1153612700 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
University of Washington School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Overlake Medical Clinics LLCGroup PAC ID 7012808827, 423 clinicians

Practice addresses (Care Compare)

1035 116TH Ave NE
Bellevue, WA 98004-4604
Phone (425) 688-5072

1750 112TH Ave NE
Suite B102
Bellevue, WA 98004-3772
Phone (425) 688-5460

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
AP60654128WAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services-Wa Nurse Practitioner CurrentSince Jun 1, 2016 Accepting new patients
Optum Care Washington PLLC CurrentSince Sep 26, 2016 Accepting new patients
Providence Health & Services-Wa Current Accepting new patients
Optum Care Washington PLLC CurrentSince Sep 26, 2016 Accepting new patients
Providence Health & Services-Washington CurrentSince Jun 1, 2016 Accepting new patients
Providence Health & Services- Washington CurrentSince Mar 1, 2017 Accepting new patients
Puget Sound Physicians PLLC CurrentSince Oct 1, 2024 Accepting new patients
Overlake Medical Clinics LLC CurrentSince Jan 1, 2025 Accepting new patients
Overlake Medical Clinics, LLC Current Accepting new patients
Providence Health & Services-Wa Past Accepting new patients

Locations

1750 112th Ave NE
Ste B102
Bellevue, WA 98004
Phone (425) 688-5460

1035 116th Ave NE
Bellevue, WA 98004
Phone (425) 451-4141

900 Pacific Ave
Fl 5
Everett, WA 98201
Phone (425) 258-7311

1321 Colby Ave
Everett, WA 98201
Phone (425) 259-4413

1700 13th St
Everett, WA 98201
Phone (425) 252-0895

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

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

3011 196th St SW
Lynnwood, WA 98036
Phone (425) 688-5759

4112 Harbour Pointe Blvd SW
Ste 100
Mukilteo, WA 98275
Phone (425) 347-6330

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

Organizations & group practices 11

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 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": "1463270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1942657416",
    "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 1020",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981041380",
            "telephone_number": "206-215-2658",
            "fax_number": "206-991-2363"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEGG",
        "first_name": "SEAN",
        "middle_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "ARNP, DNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-15",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP60654128",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN00166283",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP60654128",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2059112",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "slegg612407@wm.providencedirect.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1700 13th St",
            "city": "Everett",
            "state": "WA",
            "country_code": "US",
            "postal_code": "982011689",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.