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

Individual provider Mental Health Counselor · NPI 1568624617

Mark O'Connell, LCSW is a Mental Health Counselor in New York, New York. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008
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

304 Park Ave S Ste 1106
New York, NY 10010-4301 Not confirmed with CMS for 14 years — call before visiting
Phone: (212) 252-5195
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1568624617
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 30, 2008
Last updated in NPPESJanuary 19, 2012

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