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

Dr. David J. Hegarty, PHD, LMFT

Individual provider Marriage & Family Therapist · NPI 1417108135

Dr. David J. Hegarty, PHD, LMFT is a Marriage & Family Therapist in Massapequa, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

33 Highwater Ave
Massapequa, NY 11758-8312
Phone: (516) 795-9415
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 000395 (NY)

Record details

NPI number1417108135
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LMFT
Sole proprietorYes
NPI enumeratedOctober 1, 2008
Last updated in NPPESOctober 1, 2008

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