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

John Martin Gregory, PHD

Individual provider Clinical Psychologist · NPI 1952430316

John Martin Gregory, PHD is a Clinical Psychologist in Ardsley, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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

17 Concord Rd
Ardsley, NY 10502-1111
Phone: (914) 693-2127
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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 006628 (NY)

Record details

NPI number1952430316
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 3, 2007
Last updated in NPPESAugust 12, 2020
Certification dateAugust 12, 2020
Mailing address17 Concord Rd, Ardsley, NY 10502-1111

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