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

Individual provider Clinical Psychologist · NPI 1518620277

John Stewart Charleson, PHD is a Clinical Psychologist in Phoenix, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
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.

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Practice location Address checks out

400 N 32nd St
Phoenix, AZ 85008-6205
Phone: (602) 234-7212
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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 PSY-005425 (AZ)

Record details

NPI number1518620277
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 20, 2021
Last updated in NPPESMay 14, 2026
Certification dateMay 14, 2026

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