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

Michael David O'Brien

Individual provider Clinical Psychologist · NPI 1790293827

Michael David O'Brien is a Clinical Psychologist in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2018

Practice location Address checks out

729 Boylston St
Boston, MA 02116-2639
Phone: (617) 286-4945
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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 PSY10001410 (MA)

Record details

NPI number1790293827
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 10, 2018
Last updated in NPPESJune 13, 2025
Certification dateJune 13, 2025

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