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

Dr. Christopher Edward Overtree, PHD

Individual provider Adult Development & Aging Psychologist · NPI 1770722530

Dr. Christopher Edward Overtree, PHD is an Adult Development & Aging Psychologist in Amherst, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2009
Specialties on file
4
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

135 Hicks Way Tobin Hall Ste 123
Amherst, MA 01003-9271
Phone: (413) 545-5943
Fax: (413) 577-0947
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 8750 (MA)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 8750 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 8750 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 8750 (MA)

Record details

NPI number1770722530
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 18, 2009
Last updated in NPPESFebruary 18, 2009
Mailing address135 Hicks Way, Tobin Hall, Suite 123, Amherst, MA 01003-9271