IndividualActive
Gillian Tanz, MSW, LCSW
NPI 1720412026 · Social Worker · Norwalk, CT
Gillian Tanz, MSW, LCSW is a Social Worker provider in Norwalk, CT (NPI 1720412026).
Provider details
- NPI number
- 1720412026
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
18 Naromake Ave
Norwalk, CT 06854-4707
Phone: (203) 912-9665
Street-level locationGet directions
Mailing address
115 Fillow St
Norwalk, CT 06850-2841
Registry dates
- Enumerated
- 2013-08-22
- Last updated
- 2015-08-28
Frequently asked questions
- What is Gillian Tanz's NPI number?
- Gillian Tanz's National Provider Identifier (NPI) is 1720412026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Tanz's specialty?
- Gillian Tanz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Gillian Tanz located?
- Gillian Tanz's practice location on file with NPPES is 18 Naromake Ave, Norwalk, CT 06854-4707.
- What is Gillian Tanz's phone number?
- The practice phone number listed in the NPPES registry for Gillian Tanz is (203) 912-9665.
- Is Gillian Tanz's NPI active?
- Yes — Gillian Tanz's NPI (1720412026) is active in the NPPES registry as of the last update on 2015-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.