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

Dr. Catherine Mary O'Sullivan, PSYD

Individual provider Clinical Neuropsychologist · NPI 1427481027

Dr. Catherine Mary O'Sullivan, PSYD is a Clinical Neuropsychologist in Ridgewood, New Jersey. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2013
Specialties on file
6
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

75 N Maple Ave Ste 101B
Ridgewood, NJ 07450-3247
Phone: (845) 416-7839
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 35SI00550000 (NJ)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 35SI00550000 (NJ)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 35SI00550000 (NJ)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 021138 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 021138 (NY)
Psychologist Taxonomy 103T00000X · Licence 021138 (NY)

Record details

NPI number1427481027
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedAugust 19, 2013
Last updated in NPPESApril 5, 2016

Other providers in Ridgewood