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

John Atsidis, PHD

Individual provider School Psychologist · NPI 1700281631

John Atsidis, PHD is a School Psychologist in Bayville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014
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

114 Bayville Ave
Bayville, NY 11709-1606
Phone: (718) 612-0136
Show map & directions

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

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 1222267 (NY)

Record details

NPI number1700281631
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 4, 2014
Last updated in NPPESNovember 4, 2014