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

Guy Sapirstein, PHD

Individual provider Psychologist · NPI 1437136470

Guy Sapirstein, PHD is a Clinical Psychologist in Cambridge, Massachusetts. Qualified in 1995, 31 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
31
Licensed in
MA
In the registry since
2005
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

263 Concord Ave Apt 1
Cambridge, MA 02138-1398
Phone: (617) 964-6543
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 7160 (MA)

Record details

NPI number1437136470
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 30, 2005
Last updated in NPPESOctober 27, 2022
Certification dateOctober 27, 2022
Mailing addressPo Box 610402, Newton, MA 02461-0402

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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