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

Marissa O'Connor, LMSW

Individual provider Social Worker · NPI 1265295380

Marissa O'Connor, LMSW is a Social Worker in Bethpage, New York. Licensed in New York. Registered with an NPI since 2024.

Licensed in
NY
In the registry since
2024
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

15 Grumman Rd W Ste 1000
Bethpage, NY 11714
Phone: (516) 465-4700
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 117301 (NY)

Record details

NPI number1265295380
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedFebruary 1, 2024
Last updated in NPPESFebruary 1, 2024

Other providers in Bethpage