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

Mr. Donald R Mariano, LCSW

Individual provider Clinical Social Worker · NPI 1205195252

Mr. Donald R Mariano, LCSW is a Clinical Social Worker in Southbury, Connecticut. Licensed in Connecticut. Registered with an NPI since 2012.

Licensed in
CT
In the registry since
2012
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1287 Strongtown Rd
Southbury, CT 06488-1948
Phone: (203) 758-1441
Fax: (203) 758-1658
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 000043 (CT)

Record details

NPI number1205195252
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 11, 2012
Last updated in NPPESMay 11, 2012

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