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

Mrs. Katherine P Welsh, LICSW

Individual provider Clinical Social Worker · NPI 1891089306

Mrs. Katherine P Welsh, LICSW is a Clinical Social Worker in Boston, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2011
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1601 Washington St, Boston, MA 02118-1951 — (617) 425-2040

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 115303 (MA)

Record details

NPI number1891089306
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJune 1, 2011
Last updated in NPPESJuly 21, 2022

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