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

Individual provider Clinical Psychologist · NPI 1902058209

Dr. Mark Gregory Winiarski, PHD is a Clinical Psychologist in Great Neck, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
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

51 Radnor Rd
Great Neck, NY 11023-1450
Phone: (516) 319-6830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 009774 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 009774 (NY)
Health Psychologist Taxonomy 103TH0004X · Licence 009774 (NY)

Record details

NPI number1902058209
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 17, 2008
Last updated in NPPESOctober 17, 2008
Mailing address51 Radnor Rd, Great Neck, NY 11023-1450

Other providers in Great Neck