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

Dr. Mark A Nachmias, PHD

Individual provider Psychologist · NPI 1699875344

Dr. Mark A Nachmias, PHD is a Psychologist in Staten Island, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

3915 Hylan Blvd
Staten Island, NY 10308-3425
Phone: (718) 948-7800
Fax: (718) 948-7800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 86331 (NY)

Record details

NPI number1699875344
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 23, 2006
Last updated in NPPESJuly 8, 2007
Mailing address3915 Hylan Blvd, Staten Island, NY 10308-3425

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