Elizabeth Brennan, LCSW
NPI 1346254711 · Clinical Social Worker · West Haven, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Brennan, LCSW is a Clinical Social Worker provider in West Haven, CT (NPI 1346254711).
Provider details
- NPI number
- 1346254711
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 002969 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2015-04-21
Frequently asked questions
- What is Elizabeth Brennan's NPI number?
- Elizabeth Brennan's National Provider Identifier (NPI) is 1346254711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Brennan's specialty?
- Elizabeth Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Elizabeth Brennan located?
- Elizabeth Brennan's practice location on file with NPPES is 270 Center St, West Haven, CT 06516-4400.
- What is Elizabeth Brennan's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Brennan is (203) 974-5913.
- Does Elizabeth Brennan accept Medicare?
- Elizabeth Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Brennan's NPI active?
- Yes — Elizabeth Brennan's NPI (1346254711) is active in the NPPES registry as of the last update on 2015-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.