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

Individual provider Clinical Psychologist · NPI 1770666000

Dr. Darren Christopher Brennan, PSYD is a Clinical Psychologist in Reston, Virginia. Licensed in Virginia. Registered with an NPI since 2006.

Licensed in
VA
In the registry since
2006
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

1801 Robert Fulton Dr Ste 230
Reston, VA 20191-5461
Phone: (703) 391-9410
Fax: (703) 476-7634
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810005104 (VA)

Record details

NPI number1770666000
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESNovember 27, 2023
Certification dateNovember 27, 2023

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