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

Justine Marie Koo, PSYD

Individual provider Psychologist · NPI 1336781392

Justine Marie Koo, PSYD is a Psychologist in Deer Park, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2019
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1600 Deer Park Ave
Deer Park, NY 11729-5208
Phone: (631) 242-2250
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 023472 (NY)

Record details

NPI number1336781392
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedOctober 11, 2019
Last updated in NPPESOctober 11, 2019

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