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

Dr. William Joseph Matthews, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1407093909

Dr. William Joseph Matthews, PHD is a Cognitive & Behavioral Psychologist in Amherst, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2009
Specialties on file
2
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

22 Foxglove Ln
Amherst, MA 01002-3453
Phone: (413) 253-2966
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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 2757 (MA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 2757 (MA)

Record details

NPI number1407093909
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 21, 2009
Last updated in NPPESJanuary 21, 2009
Mailing address22 Foxglove Ln, Amherst, MA 01002-3453

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