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

Breana Marchwinski, LCSW

Individual provider Social Worker · NPI 1659983468

Breana Marchwinski, LCSW is a Social Worker in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2020.

Licensed in
MA
In the registry since
2020
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

333 Longwood Ave Fl 6
Boston, MA 02115-5711
Phone: (617) 355-7181
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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 226030 (MA)

Record details

NPI number1659983468
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 21, 2020
Last updated in NPPESSeptember 14, 2020
Certification dateSeptember 14, 2020

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