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

Dr. Barbara Ann Brennan, PHD

Individual provider Clinical Psychologist · NPI 1598470692

Dr. Barbara Ann Brennan, PHD is a Clinical Psychologist in Dix Hills, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2023
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

197 Half Hollow Rd
Dix Hills, NY 11746-5859
Phone: (631) 370-1881
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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 015825 (NY)

Record details

NPI number1598470692
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 23, 2023
Last updated in NPPESJanuary 23, 2023
Certification dateJanuary 23, 2023
Mailing address40 Cherry Ct, East Northport, NY 11731-2252

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