Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Walter Davison III, MBA, PHD

Individual provider Clinical Psychologist · NPI 1407040579

Dr. John Walter Davison III, MBA, PHD is a Clinical Psychologist in Washington, District of Columbia. Licensed in Virginia. Registered with an NPI since 2007.

Licensed in
VA
In the registry since
2007
What do these letters mean?
MBA — Master of Business Administration
A graduate business degree.
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

50 Irving St NW
Washington, DC 20422-0001
Phone: (202) 745-8000
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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 0810003839 (VA)

Record details

NPI number1407040579
Entity typeIndividual (Type 1)
GenderMale
Credentials MBA , PHD
Sole proprietorNo
NPI enumeratedAugust 31, 2007
Last updated in NPPESAugust 31, 2007

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