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

Dr. Joshua Allen Dezelle Johnson, PHD

Individual provider Clinical Psychologist · NPI 1356924435

Dr. Joshua Allen Dezelle Johnson, PHD is a Clinical Psychologist in Washington, District of Columbia. Licensed in Maryland. Registered with an NPI since 2021.

Licensed in
MD
In the registry since
2021
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

50 Irving St NW Rm 2C-218
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 06487 (MD)

Record details

NPI number1356924435
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 5, 2021
Last updated in NPPESMay 5, 2021
Certification dateMay 5, 2021

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