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

Individual provider Clinical Social Worker · NPI 1649387150

Mr. James Andrew Leathem, LCSW is a Clinical Social Worker in Boston, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Connecticut and New York.

Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
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

150 S Huntington Ave
Boston, MA 02130-4817
Phone: (203) 638-8590
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 555 Highland Ave, Cheshire, CT 06410-2255 — (475) 224-3033

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 012554 (CT)
Clinical Social Worker Taxonomy 1041C0700X · Licence 069832-1 (NY)

Record details

NPI number1649387150
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 23, 2006
Last updated in NPPESMarch 7, 2023
Certification dateMarch 7, 2023

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