Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ellen H. O'Donnell, PHD

Individual provider Psychologist · NPI 1154523983

Ellen H. O'Donnell, PHD is a Psychologist in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
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

151 Merrimac Street 5th Fl Massachusetts General Hospital
Boston, MA 02114
Phone: (617) 643-6017
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY 9080 (MA)

Record details

NPI number1154523983
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 4, 2007
Last updated in NPPESDecember 15, 2009
Mailing address151 Merrimac Street, 5th Floor, Massachusetts General Hospital - Leap Program, Boston, MA 02114

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