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

John D Adler, PHD

Individual provider Psychologist · NPI 1588645055

John D Adler, PHD is a Psychologist in Gresham, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2005
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

510 NE Roberts Ave #330
Gresham, OR 97030-7404
Phone: (503) 251-4088
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0615 (OR)

Record details

NPI number1588645055
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 10, 2005
Last updated in NPPESDecember 7, 2017
Mailing address510 Ne Roberts Ave, 330, Gresham, OR 97030-7404

Other providers in Gresham