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

MS. Gillian Barbara Tanz, MSW, LCSW

Individual provider Social Worker · NPI 1720412026

MS. Gillian Barbara Tanz, MSW, LCSW is a Social Worker in Norwalk, Connecticut. Practices as a sole proprietor. Registered with an NPI since 2013.

In the registry since
2013
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.

See every abbreviation used in this directory →

Practice location Address checks out

18 Naromake Ave
Norwalk, CT 06854-4707
Phone: (203) 912-9665
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1720412026
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedAugust 22, 2013
Last updated in NPPESAugust 28, 2015

Other providers in Norwalk