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

James P Armstrong, PHD

Individual provider Clinical Psychologist · NPI 1851683973

James P Armstrong, PHD is a Clinical Psychologist in Oak Brook, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2011
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

1000 Jorie Blvd Ste 48
Oak Brook, IL 60523-4498
Phone: (630) 368-9100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071003828 (IL)

Record details

NPI number1851683973
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 8, 2011
Last updated in NPPESMay 8, 2011

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