Psychologist | Clinical Psychology

Dr. Mary Colleen Byrne, PH.D.

37 Kennedy St, Alexandria, Virginia, 22305-2518

About Dr. Mary Colleen Byrne

Dr. Mary Colleen Byrne is a psychologist based in Alexandria, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Mary Colleen Byrne is 0810003031 for Clinical Psychology in Virginia. Her current practice location is 37 Kennedy St, Alexandria. Patients can contact her at 703-618-1415. Dr. Mary Colleen Byrne, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1952405565.

Dr. Mary Colleen Byrne 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Mary Colleen Byrne'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. Mary Colleen Byrne
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 37 Kennedy St,
Alexandria, VA - 22305-2518

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 Number1952405565
NPI Enumeration Date: 12 Sep, 2006
NPI Last Update On: 22 Jun, 2026

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. Mary Colleen Byrne are as mentioned below.

License NumberSpecializationStateStatus
0810003031Clinical Psychology VirginiaPrimary
03870Clinical Psychology MarylandSecondary

Mailing Address

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

Dr. Mary Colleen Byrne
37 Kennedy St,
Alexandria, VA - 22305-2518
Phone: 703-618-1415

Book an Appointment with Dr. Mary Colleen Byrne

To schedule an appointment, contact Dr. Mary Colleen Byrne at 37 Kennedy St, Alexandria, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Colleen Byrne:

Dr. Mary Colleen Byrne is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Mary Colleen Byrne 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. Mary Colleen Byrne practices at 37 Kennedy St, Alexandria, Virginia, 22305-2518.

To schedule an appointment with Dr. Mary Colleen Byrne, please contact the office at 703-618-1415.

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