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

Mr. Greg Hackett, LMHC

Individual provider Mental Health Counselor · NPI 1811357460

Mr. Greg Hackett, LMHC is a Mental Health Counselor in Lake Ronkonkoma, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2016
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

9 Warren Ave
Lake Ronkonkoma, NY 11779-1935
Phone: (631) 235-6291
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 002615 (NY)

Record details

NPI number1811357460
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC
Sole proprietorYes
NPI enumeratedFebruary 24, 2016
Last updated in NPPESFebruary 24, 2016

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