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ELIZABETH G BRENNAN LCSW
NPI 1346254711
Social Worker - Clinical in West Haven, CT

Active since July 28, 2006PECOS EnrolledAccepts Medicare Assignment
270 CENTER ST, WEST HAVEN, CT 06516(203) 974-5913(203) 974-5905 Get Directions Write a Review

NPPES record last updated: April 21, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Elizabeth G Brennan Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH G BRENNAN LCSW (NPI 1346254711) is an individual clinical provider in West Haven, Connecticut, licensed in Connecticut (002969) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1346254711
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameELIZABETH G BRENNANCredential: LCSW
Location Address270 CENTER STWest Haven, CT 06516-4400
Mailing Address34 Park StNew Haven, CT 06519-1109 · (203) 974-7639 · Fax (203) 974-7637
Phone(203) 974-5913
Fax(203) 974-5905
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJuly 28, 2006
Last NPPES UpdateApril 21, 2015
✔ NPI 1346254711 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 002969
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
270 CENTER ST, West Haven, CT 06516
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type Unspecified800003375

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth G Brennan Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022094531
PECOS Enrollment IDI20040625000628
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Brennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

State Of Connecticut
2.3 mi
Psychiatric Hospital
34 PARK STREET
New Haven, CT 06790
  • Reassigned Medicare billing, Connecticut enrollment
  • 127 clinicians in this Medicare group
NPI 1881629434 (203) 974-7417

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06516 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.82 – $183.10
Typical copayment $0.00 (range $15.20 – $45.77)
Most-billed visit code NA
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHELLE COMAS PH.D.
Psychologist
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5928
DANIEL MIRANDI MS, NCC, LPC
Counselor (Professional)
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 878-6365
MELONIE ATKINS LCSW
Social Worker
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5900
DR. TIMOTHY CHARLES VANDEUSEN M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5907
JESSICA MONICA RODRIGUEZ LCSW
Social Worker (Clinical)
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5900
MS. KRISTEN ARCARI WAWRZYNIAK LCSW
Social Worker (Clinical)
270 CENTER ST
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5900
NATASHA HARRIS NP CNS
Nurse Practitioner (Psychiatric/Mental Health)
270 CENTER ST, WEST HAVEN MENTAL HEALTH CENTER
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 974-5914

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Brennan's NPI number?

The NPI number for Elizabeth Brennan is 1346254711. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Elizabeth Brennan located?

Elizabeth Brennan practices at 270 Center St, West Haven, CT 06516. The listed phone number is (203) 974-5913.

What is Elizabeth Brennan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Elizabeth Brennan enrolled in Medicare?

Yes. Elizabeth Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Elizabeth Brennan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Brennan reassigns Medicare benefits to State Of Connecticut (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Elizabeth Brennan was last updated on April 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.