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

Dr. Katherine Ellin, PHD

Individual provider Clinical Psychologist · NPI 1952456709

Dr. Katherine Ellin, PHD is a Clinical Psychologist in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

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.

See every abbreviation used in this directory →

Practice location Address checks out

763 Massachusetts Ave
Cambridge, MA 02139-3329
Phone: (617) 864-3667
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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 7132 (MA)

Record details

NPI number1952456709
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 24, 2007
Last updated in NPPESJuly 8, 2007

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