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

Gregory Collier

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1700265154

Gregory Collier is an Addiction (Substance Use Disorder) Counselor in Monticello, New York. Licensed in New York. Registered with an NPI since 2015.

Licensed in
NY
In the registry since
2015

Practice location Address checks out

17 Hamilton Ave
Monticello, NY 12701-1319
Phone: (845) 794-8080
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 23071 (NY)

Record details

NPI number1700265154
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 19, 2015
Last updated in NPPESMay 19, 2015
Mailing address6 Jefferson Garden Apt 1a, Monticello, NY 12701

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