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

Mr. Macdara O' Sullivan, LMSW

Individual provider Social Worker · NPI 1548406549

Mr. Macdara O' Sullivan, LMSW is a Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
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

12 Stuyvesant Oval Apt 5E
New York, NY 10009-2217 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 677-4104
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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 074501-1 (NY)

Record details

NPI number1548406549
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedDecember 21, 2008
Last updated in NPPESDecember 21, 2008

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