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

Dr. Paul Joseph Sullivan, PHD

Individual provider Psychologist · NPI 1891278669

Dr. Paul Joseph Sullivan, PHD is a Psychologist in Lexington, Massachusetts. Licensed in Massachusetts, New York and Rhode Island. Registered with an NPI since 2018.

Licensed in
MA, NY, RI
In the registry since
2018
Specialties on file
3
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

81 Hartwell Ave Ste 310
Lexington, MA 02421-3177
Phone: (781) 918-6860
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 10000604 (MA)
Psychologist Taxonomy 103T00000X · Licence 022843 (NY)
Psychologist Taxonomy 103T00000X · Licence 002253 (RI)

Record details

NPI number1891278669
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 7, 2018
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address81 Hartwell Ave Ste 310, Lexington, MA 02421-3177

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