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

Individual provider Clinical Psychologist · NPI 1366514937

Dr. Joshua Loewenstein, PHD is a Clinical Psychologist in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
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

1 Mifflin Pl Ste 260
Cambridge, MA 02138-4907
Phone: (617) 818-8286
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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 8108 (MA)

Record details

NPI number1366514937
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 15, 2006
Last updated in NPPESJuly 8, 2007

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