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

Dr. John Stuart Ablon, PHD

Individual provider Psychologist · NPI 1629068929

Dr. John Stuart Ablon, PHD is a Psychologist in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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

55 Fruit Street Yaw A 6900 Massachusetts General Hospital
Boston, MA 02114
Phone: (617) 724-5055
Fax: (617) 726-7541
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 7542 (MA)

Record details

NPI number1629068929
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 27, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 9142, Mass General Physician Organization, Charlestown, MA 02129-9142

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