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

Dr. Haley Mazzarella, PSYD

Individual provider Clinical Psychologist · NPI 1265711303

Dr. Haley Mazzarella, PSYD is a Clinical Psychologist in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2011
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

126 Prospect St Ste 2
Cambridge, MA 02139
Phone: (857) 919-4184
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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 10484 (MA)

Record details

NPI number1265711303
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedAugust 8, 2011
Last updated in NPPESNovember 22, 2023
Certification dateNovember 22, 2023

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