Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Boyd Cowan, LLC

Organization Psychiatric/Mental Health Nurse Practitioner · NPI 1801353719

Boyd Cowan, LLC is a Psychiatric/Mental Health Nurse Practitioner in Alexandria, Virginia. Registered with an NPI since 2019.

In the registry since
2019
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

228 S Washington St Ste 310
Alexandria, VA 22314-5404
Phone: (703) 935-0058
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X

Record details

NPI number1801353719
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Taylor Cowan — Owner · (206) 599-9991
NPI enumeratedFebruary 27, 2019
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025
Mailing address110 Pleasant St Nw Ste D, Vienna, VA 22180-4447

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