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

Dr. Sean Barry Haggerty, PHD

Individual provider Clinical Psychologist · NPI 1720075526

Dr. Sean Barry Haggerty, PHD is a Clinical Psychologist in Centereach, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2005
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

1919 Middle Country Rd Ste 201
Centereach, NY 11720-5601
Phone: (631) 689-6560
Fax: (631) 689-6560
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 011380 (NY)

Record details

NPI number1720075526
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 5, 2005
Last updated in NPPESOctober 8, 2011