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DR. DARREN CHRISTOPHER BRENNAN PSYD
NPI 1770666000
Psychologist - Clinical in Reston, VA

Active since October 23, 2006
1801 ROBERT FULTON DR STE 230, RESTON, VA 20191(703) 391-9410(703) 476-7634 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Darren Christopher Brennan Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DARREN CHRISTOPHER BRENNAN PSYD (NPI 1770666000) is an individual clinical provider in Reston, Virginia, licensed in Virginia (0810005104) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1770666000
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DARREN CHRISTOPHER BRENNANCredential: PSYD
Location Address1801 ROBERT FULTON DR STE 230Reston, VA 20191-5461
Mailing Address1801 Robert Fulton Dr Ste 230Reston, VA 20191-5461 · (703) 391-9410 · Fax (703) 476-7634
Phone(703) 391-9410
Fax(703) 476-7634
Sole ProprietorNo
Enumeration DateOctober 23, 2006
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedNovember 27, 2023
✔ NPI 1770666000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in VA · 0810005104
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1801 ROBERT FULTON DR STE 230, Reston, VA 20191
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETHANN BRENNAN LMT
Massage Therapist
1801 ROBERT FULTON DR STE 230
RESTON, VA 20191
Fairfax County (703) 391-9410

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Darren Brennan's NPI number?

The NPI number for Darren Brennan is 1770666000. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Where is Darren Brennan located?

Darren Brennan practices at 1801 Robert Fulton Dr Ste 230, Reston, VA 20191. The listed phone number is (703) 391-9410.

What is Darren Brennan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Darren Brennan was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.