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

Individual provider Psychologist · NPI 1316016983

Dr. John Stephen Clifford, PHD is a Psychologist in Portsmouth, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2006
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

8 Kirduglyn Rd
Portsmouth, RI 02871-3916
Phone: (401) 222-3182
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS287 (RI)

Record details

NPI number1316016983
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 7, 2006
Last updated in NPPESJuly 8, 2007
Mailing address8 Kirduglyn Rd, Portsmouth, RI 02871-3916

Other providers in Portsmouth