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

Marc A Janoson, PHD

Individual provider Clinical Psychologist · NPI 1790958940

Marc A Janoson, PHD is a Clinical Psychologist in Manhasset, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
Specialties on file
4
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

75 Plandome Rd
Manhasset, NY 11030-2303
Phone: (516) 304-5700
Fax: (516) 304-5702
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 006325 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 006325 (NY)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 006325 (NY)
Forensic Psychologist Taxonomy 103TF0200X · Licence 006325 (NY)

Record details

NPI number1790958940
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 9, 2008
Last updated in NPPESApril 13, 2018

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