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
Show map & directions

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

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