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

Dr. Stephen Long, PHD

Individual provider Clinical Psychologist · NPI 1861505174

Dr. Stephen Long, PHD is a Clinical Psychologist in Northport, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

79 Middleville Rd
Northport, NY 11768-2200
Phone: (631) 261-4400
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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 011093 (NY)

Record details

NPI number1861505174
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address79 Middleville Rd, Northport, NY 11768-2200

Other providers in Northport