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

Dr. David Jeffrey Marks, PHD

Individual provider Clinical Neuropsychologist · NPI 1427283555

Dr. David Jeffrey Marks, PHD is a Clinical Neuropsychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
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

1 Gustave L Levy Pl Box 1230
New York, NY 10029-6500
Phone: (212) 241-4423
Fax: (212) 831-2871
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 016504-1 (NY)

Record details

NPI number1427283555
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 19, 2009
Last updated in NPPESMay 19, 2009

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