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

Dr. Gareth Harrison, PSYD

Individual provider Cognitive & Behavioral Psychologist · NPI 1760253892

Dr. Gareth Harrison, PSYD is a Cognitive & Behavioral Psychologist in Washington, District of Columbia. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1729 21st St NW
Washington, DC 20009-1101
Phone: (202) 234-0903
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X

Record details

NPI number1760253892
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJanuary 9, 2024
Last updated in NPPESJanuary 9, 2024
Certification dateJanuary 9, 2024

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