NPIMap

Organization Active NPI

Boyd Cowan, LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Alexandria, VA
National Provider Identifier
1801353719
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
Legal business name
BOYD COWAN, LLC
Practice address
228 S Washington St Ste 310
Alexandria, VA 22314-5404
Phone
(703) 935-0058
NPI assigned
Feb 27, 2019
Last updated
Nov 17, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Authorized official

Name
Taylor Boyd Cowan, ARNP, PMHNP-BCNPI 1265833784
Title
Owner
Phone
(206) 599-9991

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X NU Primary

Addresses

Primary practice location

228 S Washington St Ste 310
Alexandria, VA 22314-5404

Mailing address

110 Pleasant St NW Ste D
Vienna, VA 22180-4447
Phone (703) 935-0058

National Provider Directory

National Provider Directory

Locations

110 Pleasant St NW
Ste D
Vienna, VA 22180

209 4th Ave E
Ste 214
Olympia, WA 98501
Phone (360) 870-2659

Practitioners & affiliated clinicians

Practitioners 16

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1551225600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763337600000",
    "number": "1801353719",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 PLEASANT ST NW STE D",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221804447",
            "telephone_number": "703-935-0058"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "228 S WASHINGTON ST STE 310",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223145404",
            "telephone_number": "703-935-0058"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BOYD COWAN, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-02-27",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A",
        "authorized_official_last_name": "COWAN",
        "authorized_official_first_name": "TAYLOR",
        "authorized_official_middle_name": "BOYD",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "206-599-9991",
        "authorized_official_credential": "ARNP, PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Alexandria, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.