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

Dr. Mary Philippa Breen, PHD

Individual provider Clinical Psychologist · NPI 1831213628

Dr. Mary Philippa Breen, PHD is a Clinical Psychologist in Waban, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
Specialties on file
3
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

91 Wyman St
Waban, MA 02468-1529
Phone: (617) 244-1881
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 7493 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 7493 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 7493 (MA)

Record details

NPI number1831213628
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 18, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address91 Wyman St, Waban, MA 02468-1529

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