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
Mailing address1919 Middle Country Rd, Suite 201, Centereach, NY 11720-5601