Dr. Gareth Harrison
PSYD | Cognitive & Behavioral Psychologist
1729 21st St Nw, Washington
District Of Columbia, 20009-1101
202-234-0903 Maps & DirectionsDr. Gareth Harrison is a Washington, District Of Columbia based psychologist who is specialized in Cognitive & Behavioral Psychology. His current practice location is 1729 21st St Nw, Washington. Patients can reach him at 202-234-0903. Dr. Gareth Harrison is PSYD in Cognitive & Behavioral Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1760253892.
Dr. Gareth Harrison has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.
Complete Profile:
Dr. Gareth Harrison speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Gareth Harrison |
| Specialization: | Cognitive & Behavioral Psychology |
| Gender: | Male |
| Credentials: | PSYD |
| Practice Address: | 1729 21st St Nw, Washington,
District Of Columbia, 20009-1101 |
| Phone: | 202-234-0903 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1760253892 |
| NPI Enumeration Date: | 09 Jan, 2024 |
| NPI Last Update On: | 09 Jan, 2024 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Gareth Harrison
7618 Clarendon Rd,
Bethesda, Maryland |
| Zip: | 20814-6106 |
Patients can reach Dr. Gareth Harrison at
1729 21st St Nw, Washington, District Of Columbia or can
call to book an appointment on 202-234-0903.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.