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

John Richard Devendorf, PHD

Individual provider Mental Health Counselor · NPI 1912238841

John Richard Devendorf, PHD is a Mental Health Counselor in Upton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts and Rhode Island.

Licensed in
MA, RI
In the registry since
2010
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.

See every abbreviation used in this directory →

Practice location Address checks out

206 Milford St
Upton, MA 01568-1309
Phone: (508) 529-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 4670 (MA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 262 (RI)

Record details

NPI number1912238841
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 15, 2010
Last updated in NPPESJanuary 15, 2010

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