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

Maryanne Munnelly, Csw, PC

Organization Clinical Social Worker · NPI 1659518009

Maryanne Munnelly, Csw, PC is a Clinical Social Worker in East Setauket, New York. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

53 Arrowhead Ln
East Setauket, NY 11733-3314
Phone: (631) 476-7141
Fax: (631) 476-7665
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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

Record details

NPI number1659518009
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Maryanne Munnelly — President · (631) 476-7141
NPI enumeratedJanuary 7, 2009
Last updated in NPPESJanuary 7, 2009
Mailing address53 Arrowhead Ln, East Setauket, NY 11733-3314

Other providers in East Setauket