ELIZABETH G BRENNAN (LCSW) – Clinical Social Worker, NPI 1346254711

ELIZABETH G BRENNAN (LCSW) is a healthcare provider. based in New haven, Connecticut. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LCSW. They hold a License No. 002969 (CT). The NPI Number for ELIZABETH G BRENNAN (LCSW) is 1346254711

Main info

Female
35 Years Of Experience
Accepts Medicare Assignment
Name
ELIZABETH G BRENNAN (LCSW)
NPI
1346254711
Phone
(203) 974-7639
Address
34 PARK ST
Enumeration Date
28 July 2006
Last Update Date
21 April 2015

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8605563751
Graduation Year
1991 (35 years ago)
PAC ID
8022094531
Professional Enrollment ID
I20040625000628
Address ID
CT065142593HA60XXXPKWY311
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

2,153 CLINICAL SOCIAL WORKER in CT

Loading map...

Provider Addresses for ELIZABETH G BRENNAN (LCSW)

  • Connecticut Mental Health Center, 34, Park Street, New Haven, New Haven County, Connecticut, 06511, United States

    NEW HAVEN, CT 065191109

    Phone: (203) 974-7639

    Fax: (203) 974-7637

    Type: Mailing

  • 270, Center Street, West Haven, New Haven County, Connecticut, 06516, United States

    WEST HAVEN, CT 065164400

    Phone: (203) 974-5913

    Fax: (203) 974-5905

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-06-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040625000628IClinical Social WorkerCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06519)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

How do I look up ELIZABETH G BRENNAN (LCSW) by NPI?
Use NPI 1346254711 when you need to reference ELIZABETH G BRENNAN (LCSW) in forms, claims, or directories.
Is ELIZABETH G BRENNAN (LCSW)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is ELIZABETH G BRENNAN (LCSW)?
The page reflects Clinical Social Worker for ELIZABETH G BRENNAN (LCSW). Clinical services aligned with this taxonomy classification.
Where is ELIZABETH G BRENNAN (LCSW)'s primary listing?
We display New Haven, Connecticut because that is what the record indicates for ELIZABETH G BRENNAN (LCSW).
What if New Haven, Connecticut seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

Similar Providers

111, Park Street, Downtown, New Haven, New Haven County, Connecticut, 06511, United States
NPI: 1811992431

BARBARA GOLDEN

Clinical Social Worker
106, Cove Street, Morris Cove, New Haven, South Central Connecticut Planning Region, Connecticut, 06512, United States
NPI: 1679567861

DIANE ROSEN (LCSW)

Clinical Social Worker
1890, Dixwell Avenue, Hamden, South Central Connecticut Planning Region, Connecticut, 06514, United States
NPI: 1417943317

MR. MARK LESLIE GAYNOR (LCSW)

Clinical Social Worker
110;100, Whitney Avenue, East Rock, Dixwell, New Haven, Connecticut, 06511, United States
NPI: 1275515009

MS. LINDA D VONO (LCSW)

Clinical Social Worker
291, Whitney Avenue, East Rock, New Haven, New Haven County, Connecticut, 06518, United States
NPI: 1639143969

MISS SUSAN E TOBENKIN (LCSW)

Clinical Social Worker
Cornell Scott Hill Health Center, 232, Cedar Street, Hill, New Haven, New Haven County, Connecticut, 06519, United States
NPI: 1760456008

AUGUSTUS PULLEN

Clinical Social Worker
35, Davis Street, Amity, West Hills, New Haven, Connecticut, 06515, United States
NPI: 1417925140

SUSAN FELDMAN (LCSW)

Clinical Social Worker
1 LONG WHARF DR
NPI: 1134197684

Unknown Individual

Clinical Social Worker
400, Columbus Avenue, Hill, New Haven, New Haven County, Connecticut, 06519, United States
NPI: 1174591499