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

David Dayton, PHD

Individual provider Clinical Psychologist · NPI 1780101758

David Dayton, PHD is a Clinical Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Virginia.

Licensed in
DC, VA
In the registry since
2017
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.

See every abbreviation used in this directory →

Practice location Address checks out

1054 31st St NW Ste 500
Washington, DC 20007-6038
Phone: (703) 951-7788
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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 PSY1001220 (DC)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0810004842 (VA)

Record details

NPI number1780101758
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 29, 2017
Last updated in NPPESAugust 29, 2017

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