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

Dr. Mark Aaron Karpel, PHD

Individual provider Clinical Psychologist · NPI 1225195357

Dr. Mark Aaron Karpel, PHD is a Clinical Psychologist in Northampton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
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

277 Main St
Northampton, MA 01060-3171
Phone: (413) 584-2617
Fax: (413) 586-4026
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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 2050 (MA)

Record details

NPI number1225195357
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 1, 2007
Last updated in NPPESJuly 8, 2007
Mailing address125 Prospect St, Northampton, MA 01060-2165

Other providers in Northampton