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

Dr. Peter Owen Whitmer, PHD

Individual provider Clinical Psychologist · NPI 1083871925

Dr. Peter Owen Whitmer, PHD is a Clinical Psychologist in Princeton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2008
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

10 Laurel Ln
Princeton, MA 01541-1018
Phone: (978) 464-5019
Fax: (978) 464-5019
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2936 (MA)

Record details

NPI number1083871925
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 19, 2008
Last updated in NPPESMay 19, 2008
Mailing address10 Laurel Ln, Princeton, MA 01541-1018