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

Dr. Keith Sullivan Chiappa, PSYD

Individual provider Psychologist · NPI 1952382541

Dr. Keith Sullivan Chiappa, PSYD is a Psychologist in Lexington, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2005
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

49 Waltham St Ste 2
Lexington, MA 02421-5411
Phone: (617) 340-3122
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 8454 (MA)

Record details

NPI number1952382541
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedNovember 9, 2005
Last updated in NPPESFebruary 11, 2026
Certification dateFebruary 11, 2026

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