Dr. Mary Colleen Byrne

PH.D. | Clinical Psychologist


  37 Kennedy St, Alexandria
     Virginia, 22305-2518
  703-618-1415    Maps & Directions
Dr. Mary Colleen Byrne is a Alexandria, Virginia based psychologist 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 reach her at 703-618-1415. Dr. Mary Colleen Byrne is PH.D. 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.
Complete Profile:
Dr. Mary Colleen Byrne 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. Mary Colleen Byrne
Specialization: Clinical Psychology
Gender:Female
Credentials: PH.D.
Practice Address:37 Kennedy St, Alexandria,
Virginia, 22305-2518
Phone:703-618-1415
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: 1952405565
NPI Enumeration Date: 12 Sep, 2006
NPI Last Update On: 22 Jun, 2026

Medical Licenses:
Doctors can have one or more medical licenses for different specialities 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
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. Mary Colleen Byrne
37 Kennedy St,
Alexandria, Virginia
Zip: 22305-2518
Phone Number: 703-618-1415
Patients can reach Dr. Mary Colleen Byrne at 37 Kennedy St, Alexandria, Virginia or can call to book an appointment on 703-618-1415.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.