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

Dr. Joseph Thomas Costello, PHD

Individual provider Clinical Psychologist · NPI 1245573682

Dr. Joseph Thomas Costello, PHD is a Clinical Psychologist in West Islip, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2013
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

50 Sequams Ln W
West Islip, NY 11795-4527
Phone: (631) 669-8230
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 009827 (NY)

Record details

NPI number1245573682
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 4, 2013
Last updated in NPPESApril 4, 2013
Mailing address50 Sequams Ln W, West Islip, NY 11795-4527

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