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

Farrell Psychological Services, PLLC

Organization Psychologist · NPI 1952775934

Farrell Psychological Services, PLLC is a Psychologist in Port Jefferson, New York. Licensed in New York. Registered with an NPI since 2015.

Licensed in
NY
In the registry since
2015
Specialties on file
13
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

646 Main St
Port Jefferson, NY 11777-2235
Phone: (631) 901-7777
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 017980 (NY)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 017980 (NY)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 017980 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 017980 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 017980 (NY)
Counseling Psychologist Taxonomy 103TC1900X · Licence 017980 (NY)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 017980 (NY)
Family Psychologist Taxonomy 103TF0000X · Licence 017980 (NY)
Health Psychologist Taxonomy 103TH0004X · Licence 017980 (NY)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence 017980 (NY)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 017980 (NY)
Rehabilitation Psychologist Taxonomy 103TR0400X · Licence 017980 (NY)
School Psychologist Taxonomy 103TS0200X · Licence 017980 (NY)

Record details

NPI number1952775934
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Frank Farrell — Psychologist · (631) 901-7777
NPI enumeratedNovember 13, 2015
Last updated in NPPESNovember 13, 2015
Mailing address105 Leeward Ln, Port Jefferson, NY 11777-2307

Other providers in Port Jefferson