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

Sydney Lynne Appelbaum, LCSW

Individual provider Clinical Social Worker · NPI 1265004006

Sydney Lynne Appelbaum, LCSW is a Clinical Social Worker in Boston, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

450 Brookline Ave # SW2
Boston, MA 02215-5450
Phone: (617) 582-8772
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

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1265004006
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 12, 2021
Last updated in NPPESJuly 12, 2021
Certification dateJuly 12, 2021

Other providers in Boston