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

Mr. Alexander David Horelick, LMSW, CASAC

Individual provider Social Worker · NPI 1538568613

Mr. Alexander David Horelick, LMSW, CASAC is a Social Worker in Harrison, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

275 N St
Harrison, NY 10528-1140
Phone: (914) 925-5309
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 092901 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 30240 (NY)

Record details

NPI number1538568613
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW , CASAC
Sole proprietorNo
NPI enumeratedAugust 14, 2014
Last updated in NPPESMay 20, 2015

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