Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Colleen Byrne, PHD

Individual provider Clinical Psychologist · NPI 1952405565

Dr. Mary Colleen Byrne, PHD is a Clinical Psychologist in Alexandria, Virginia. Practices as a sole proprietor. Licensed in Maryland and Virginia.

Licensed in
MD, VA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

37 Kennedy St
Alexandria, VA 22305-2518
Phone: (703) 618-1415
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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 0810003031 (VA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 03870 (MD)

Record details

NPI number1952405565
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 12, 2006
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

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