Psychologist | Clinical Psychology

Dr. Darren Christopher Brennan, PSYD

1801 Robert Fulton Dr Ste 230, Reston, Virginia, 20191-5461

About Dr. Darren Christopher Brennan

Dr. Darren Christopher Brennan is a psychologist based in Reston, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Darren Christopher Brennan is 0810005104 for Clinical Psychology in Virginia. His current practice location is 1801 Robert Fulton Dr Ste 230, Reston. Patients can contact him at 703-391-9410 or can fax him at 703-476-7634. Dr. Darren Christopher Brennan, PSYD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1770666000.

Dr. Darren Christopher Brennan is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Darren Christopher Brennan's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Darren Christopher Brennan
Specialization Clinical Psychology
Credentials PSYD
Gender Male
Practice Address: 1801 Robert Fulton Dr Ste 230,
Reston, VA - 20191-5461
Fax 703-476-7634

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1770666000
NPI Enumeration Date: 23 Oct, 2006
NPI Last Update On: 27 Nov, 2023

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Darren Christopher Brennan are as mentioned below.

License NumberSpecializationStateStatus
0810005104Clinical Psychology VirginiaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Darren Christopher Brennan
1801 Robert Fulton Dr Ste 230,
Reston, VA - 20191-5461
Phone: 703-391-9410
Fax: 703-476-7634

Book an Appointment with Dr. Darren Christopher Brennan

To schedule an appointment, contact Dr. Darren Christopher Brennan at 1801 Robert Fulton Dr Ste 230, Reston, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Darren Christopher Brennan:

Dr. Darren Christopher Brennan is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Darren Christopher Brennan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Darren Christopher Brennan practices at 1801 Robert Fulton Dr Ste 230, Reston, Virginia, 20191-5461.

To schedule an appointment with Dr. Darren Christopher Brennan, please contact the office at 703-391-9410.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.