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

MS. Lily M Breen, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1033968334

MS. Lily M Breen, MSW, LCSW is a Clinical Social Worker in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2024.

Licensed in
MA
In the registry since
2024
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-8047
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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 · Licence 228371 (MA)

Record details

NPI number1033968334
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedMay 17, 2024
Last updated in NPPESMay 17, 2024
Certification dateMay 17, 2024

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