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

Individual provider Mental Health Counselor · NPI 1154727030

Diana Cosmas, MSW, LCSW is a Mental Health Counselor in Lexington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2014.

Licensed in
MA
In the registry since
2014
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

1040 Waltham St
Lexington, MA 02421-8033
Phone: (781) 761-5161
Fax: (781) 860-0589
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 220205 (MA)

Record details

NPI number1154727030
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedNovember 5, 2014
Last updated in NPPESNovember 5, 2014

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