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

John L Jackson, PHD

Individual provider Clinical Psychologist · NPI 1316169279

John L Jackson, PHD is a Clinical Psychologist in Maryland Heights, Missouri. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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 PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 1718
Maryland Heights, MO 63043-0718
Phone: (224) 935-9807
Fax: (888) 656-4903
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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 071003528 (IL)

Record details

NPI number1316169279
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 2, 2007
Last updated in NPPESJanuary 28, 2025
Certification dateJanuary 28, 2025

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