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

Donald Albert Carlson Jr., PHD

Individual provider Psychologist · NPI 1942216866

Donald Albert Carlson Jr., PHD is a Psychologist in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
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

22 E 2nd St
Frederick, MD 21701
Phone: (240) 344-4119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 3887 (MD)

Record details

NPI number1942216866
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESMay 9, 2008

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