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

Dr. Joelle Efthimiou, PHD

Individual provider Counseling Psychologist · NPI 1013948272

Dr. Joelle Efthimiou, PHD is a Counseling Psychologist in Hampton Bays, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
Specialties on file
2
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

1 Norwood Rd
Hampton Bays, NY 11946-3620
Phone: (631) 252-2430
Show map & directions

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

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 012465 (NY)
Counseling Psychologist Taxonomy 103TC1900X · Licence 012465-1 (NY)

Record details

NPI number1013948272
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESAugust 11, 2020
Certification dateAugust 11, 2020
Mailing address1 Norwood Rd, Hampton Bays, NY 11946-3620