Gareth Harrison, PSYD
NPI 1760253892 · Cognitive & Behavioral Psychologist · Washington, DC
Gareth Harrison, PSYD is a Cognitive & Behavioral Psychologist provider in Washington, DC (NPI 1760253892).
Provider details
- NPI number
- 1760253892
- Entity type
- Individual
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-09
- Last updated
- 2024-01-09
- Certified
- 2024-01-09
Frequently asked questions
- What is Gareth Harrison's NPI number?
- Gareth Harrison's National Provider Identifier (NPI) is 1760253892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gareth Harrison's specialty?
- Gareth Harrison is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is Gareth Harrison located?
- Gareth Harrison's practice location on file with NPPES is 1729 21st St Nw, Washington, DC 20009-1101.
- What is Gareth Harrison's phone number?
- The practice phone number listed in the NPPES registry for Gareth Harrison is (202) 234-0903.
- Is Gareth Harrison's NPI active?
- Yes — Gareth Harrison's NPI (1760253892) is active in the NPPES registry as of the last update on 2024-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.