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

Individual provider Clinical Psychologist · NPI 1821012774

Dr. Mark R Dean, PHD is a Clinical Psychologist in Northampton, Massachusetts. Qualified in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
39
Licensed in
MA
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.

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Practice location Address checks out

90 Conz St Ste 220
Northampton, MA 01060-3881
Phone: (413) 487-7949
Fax: (413) 586-8299
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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 6085 (MA)

Record details

NPI number1821012774
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 848, Northampton, MA 01061-0848

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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