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

Dr. Adam D Klein, PHD

Individual provider Clinical Psychologist · NPI 1801290259

Dr. Adam D Klein, PHD is a Clinical Psychologist in Annapolis, Maryland. Licensed in Maryland. Registered with an NPI since 2014.

Licensed in
MD
In the registry since
2014
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

1831 Forest Dr Ste B
Annapolis, MD 21401-4430
Phone: (202) 421-3366
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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 03652 (MD)

Record details

NPI number1801290259
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 14, 2014
Last updated in NPPESOctober 14, 2014

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