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

Sinead Montgomery Sinnott, PHD

Individual provider Clinical Psychologist · NPI 1336848969

Sinead Montgomery Sinnott, PHD is a Clinical Psychologist in Boston, Massachusetts. Qualified in 2024, 2 years ago. Licensed in Massachusetts.

Years since qualifying
2
Licensed in
MA
In the registry since
2023
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

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 855-3467
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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 PSY10002074 (MA)

Record details

NPI number1336848969
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 2, 2023
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated

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