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

Individual provider Psychologist · NPI 1053835785

Dr. John Leso, PHD is a Psychologist in Mc Lean, Virginia. Practices as a sole proprietor and works from 2 locations. Licensed in New York and Virginia.

Licensed in
NY, 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.

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Practice location Address checks out

6723 Whittier Ave
Mc Lean, VA 22101-4522
Phone: (703) 475-6478
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1755 S St Nw Ste 6b, Washington, DC 20009-6107 — (202) 234-7738

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 08100055555 (VA)
Psychologist Taxonomy 103T00000X · Licence 013429-1 (NY)

Record details

NPI number1053835785
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 3, 2017
Last updated in NPPESJune 6, 2022
Certification dateJune 6, 2022
Mailing address120 Homewood Rd, Linthicum, MD 21090-2604

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