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
Mailing address16 Windsor Rd, Milford, MA 01757-3830

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