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

Fiona Griffin Therapy PLLC

Organization Mental Health Counselor · NPI 1659060143

Fiona Griffin Therapy PLLC is a Mental Health Counselor in DC, District of Columbia. Registered with an NPI since 2023.

In the registry since
2023
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1808 T Street NW Washington
DC, DC 20009
Phone: (202) 642-9468
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1659060143
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Fiona Griffin — Psychotherapist · (202) 642-9468
NPI enumeratedMay 2, 2023
Last updated in NPPESMay 2, 2023
Certification dateMay 2, 2023
Mailing address2300 18th Street Nw, Box 21303, Washington, DC 20009-9996