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

Dr. Peter Charles Williams, PHD

Individual provider Psychologist · NPI 1609926609

Dr. Peter Charles Williams, PHD is a Psychologist in Newburyport, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
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

5 67th St
Newburyport, MA 01950-4444
Phone: (978) 465-3366
Fax: (978) 499-9922
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3525 (MA)
Psychologist Taxonomy 103T00000X · Licence 3525 (MA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 3525 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 3525 (MA)

Record details

NPI number1609926609
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 11, 2007
Last updated in NPPESSeptember 11, 2025

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