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

Gillian Tanz LCSW LLC

Organization Clinical Social Worker · NPI 1437514585

Gillian Tanz LCSW LLC provides Clinical Social Worker services in Norwalk, Connecticut. Licensed in Connecticut. Registered with an NPI since 2015.

Licensed in
CT
In the registry since
2015
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

115 Fillow St Apt 3
Norwalk, CT 06850-2842 Not confirmed with CMS for 10 years — call before visiting
Phone: (203) 442-4144
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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 9027 (CT)

Record details

NPI number1437514585
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gillian Tanz — Lcsw · (203) 442-4144
NPI enumeratedDecember 16, 2015
Last updated in NPPESDecember 16, 2015
Mailing address116 Mile Common Rd, Easton, CT 06612-1506

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