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

Dennis M Henderson Psychological Services PC

Organization Psychologist · NPI 1518158088

Dennis M Henderson Psychological Services PC is a Psychologist in East Northport, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

12 Gildare Dr
East Northport, NY 11731-3223
Phone: (631) 368-8502
Fax: (631) 368-8502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0117921 (NY)

Record details

NPI number1518158088
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationDennis M Henderson Psychological Services PC
Authorized official Dennis Henderson — President/Ceo · (631) 368-8502
NPI enumeratedAugust 8, 2007
Last updated in NPPESAugust 8, 2007
Mailing address12 Gildare Dr, East Northport, NY 11731-3223

Other providers in East Northport