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

Dr. Nancy Langdon, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1902432511

Dr. Nancy Langdon, PHD is a Cognitive & Behavioral Psychologist in Northport, New York. Licensed in New York. Registered with an NPI since 2020.

Licensed in
NY
In the registry since
2020
Specialties on file
4
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

410 Fort Salonga Rd
Northport, NY 11768-3046
Phone: (631) 262-8561
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 023566 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X

Record details

NPI number1902432511
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 14, 2020
Last updated in NPPESNovember 12, 2020
Certification dateNovember 12, 2020

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