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

Individual provider Clinical Psychologist · NPI 1619949419

Dr. Mark Hollander, PHD is a Clinical Psychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.

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

80 5th Ave 1107
New York, NY 10011-8002 Not confirmed with CMS for 12 years — call before visiting
Phone: (212) 969-8244
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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 011500 (NY)

Record details

NPI number1619949419
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 6, 2006
Last updated in NPPESOctober 3, 2013

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