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

Donald Jay Palmer, PHD

Individual provider Psychologist · NPI 1588288187

Donald Jay Palmer, PHD is a Psychologist in Olney, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2020
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

17601 Lafayette Dr
Olney, MD 20832-2124
Phone: (240) 447-0399
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 01345 (MD)

Record details

NPI number1588288187
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 31, 2020
Last updated in NPPESMay 31, 2020
Certification dateMay 31, 2020
Mailing address17601 Lafayette Dr, Olney, MD 20832-2124

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