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

John Benjamin Barnes, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1417419060

John Benjamin Barnes, PHD is a Cognitive & Behavioral Psychologist in Sudbury, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019
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

6 Stubtoe Ln
Sudbury, MA 01776-1658
Phone: (781) 413-1215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X

Record details

NPI number1417419060
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 3, 2019
Last updated in NPPESDecember 8, 2023
Certification dateDecember 8, 2023
Mailing address6 Stubtoe Ln, Sudbury, MA 01776-1658

Other providers in Sudbury