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

Siobhan Flanagan, LICSW

Individual provider Clinical Social Worker · NPI 1609305796

Siobhan Flanagan, LICSW is a Clinical Social Worker in Quincy, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2017
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

859 Willard St Ste 420
Quincy, MA 02169-7469
Phone: (617) 903-5100
Show map & directions

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

Additional practice locations (1)

  • 124 King St, Cohasset, MA 02025 — (215) 384-3390

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 120252 (MA)

Record details

NPI number1609305796
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorYes
NPI enumeratedJune 12, 2017
Last updated in NPPESOctober 9, 2019

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