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

Leslie B Piken, MSW, LICSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1467708255

Leslie B Piken, MSW, LICSW is an Addiction (Substance Use Disorder) Counselor in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2012
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

10 Concord Ave
Cambridge, MA 02138-2322
Phone: (617) 307-4470
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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 119476 (MA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X
Social Worker Taxonomy 104100000X

Record details

NPI number1467708255
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LICSW
Sole proprietorYes
NPI enumeratedJuly 30, 2012
Last updated in NPPESDecember 7, 2020
Certification dateDecember 7, 2020

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