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 provides Psychologist services 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 Not confirmed with CMS for 19 years — call before visiting
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