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

Mary Elizabeth Massena, LCSW

Individual provider Clinical Social Worker · NPI 1841511821

Mary Elizabeth Massena, LCSW is a Clinical Social Worker in Greenville, Illinois. Licensed in Illinois. Registered with an NPI since 2010.

Licensed in
IL
In the registry since
2010
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

200 Health Care Dr
Greenville, IL 62246-1154
Phone: (618) 664-2252
Fax: (618) 664-2784
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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 149.013681 (IL)

Record details

NPI number1841511821
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 14, 2010
Last updated in NPPESJune 14, 2010

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