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

Individual provider Clinical Social Worker · NPI 1437294261

Mark Harold Hoolihan, LCSW is a Clinical Social Worker in Niagara Falls, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

826 Chilton Ave
Niagara Falls, NY 14301-1106
Phone: (716) 285-6984
Fax: (716) 285-6984
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence R041855-1 (NY)

Record details

NPI number1437294261
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 20, 2007
Last updated in NPPESJuly 8, 2007
Mailing address826 Chilton Ave, Niagara Falls, NY 14301-1106

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