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

Mr. Timothy William Leahy, LICSW

Individual provider Clinical Social Worker · NPI 1003086265

Mr. Timothy William Leahy, LICSW is a Clinical Social Worker in Waltham, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2008
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

284 Bacon St
Waltham, MA 02451-7521
Phone: (781) 642-9601
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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 1024926 (MA)

Record details

NPI number1003086265
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedMarch 4, 2008
Last updated in NPPESMarch 4, 2008

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