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

Mark R Greenblatt, LICSW

Individual provider Clinical Social Worker · NPI 1215082508

Mark R Greenblatt, LICSW is a Clinical Social Worker in Salem, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
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

70 Washington St Ste 316
Salem, MA 01970-3518
Phone: (978) 744-8428
Fax: (978) 336-8450
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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 106407 (MA)

Record details

NPI number1215082508
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedJanuary 24, 2007
Last updated in NPPESJuly 8, 2007
Mailing address22 Forrester St, Salem, MA 01970-4002

Other providers in Salem