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

Dr. Donna K Duffy, PHD

Individual provider Psychologist · NPI 1215017926

Dr. Donna K Duffy, PHD is a Psychologist in Winchester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

955 Main St Ste 105
Winchester, MA 01890-1961
Phone: (781) 729-2070
Fax: (781) 729-3210
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 2848 (MA)

Record details

NPI number1215017926
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESJuly 8, 2007

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