MS. DEANA THERESA O'BRIEN (L.C.S.W.) – Clinical Social Worker, NPI 1184051351

MS. DEANA THERESA O'BRIEN (L.C.S.W.) is a healthcare provider. based in West haven, Connecticut. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials L.C.S.W.. They hold a License No. 3542 (CT). The NPI Number for MS. DEANA THERESA O'BRIEN (L.C.S.W.) is 1184051351

Main info

Female
33 Years Of Experience
Name
MS. DEANA THERESA O'BRIEN (L.C.S.W.)
NPI
1184051351
Phone
(203) 931-1184
Address
415 MAIN ST
Enumeration Date
3 October 2013
Last Update Date
5 August 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2033996071
Graduation Year
1993 (33 years ago)
PAC ID
2860629805
Group Practice PAC ID
6608233960
Professional Enrollment ID
I20131218000861
Address ID
CT065182340HA3190XAVEX305
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience38
Completeness75
Years active:12State licenses:1Digital endpointsOther names

2,187 CLINICAL SOCIAL WORKER in CT

Provider Addresses for MS. DEANA THERESA O'BRIEN (L.C.S.W.)

  • 415 MAIN ST

    5

    WEST HAVEN, CT 065164296

    Phone: (203) 931-1184

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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: 2013-12-18

PECOS data refreshed: 2026-06-15

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
I20131218000861IClinical 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 06516)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6608233960View full group profile
NameSpecialtyState
Clinical Social WorkerCT
Clinical Social WorkerCT
Nurse PractitionerCT
Clinical Social WorkerCT
Clinical Social WorkerCT
Mental Health CounselorCT

Reviews

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Frequently asked questions

Where can patients find MS. DEANA THERESA O'BRIEN (L.C.S.W.)'s NPI?
You can confirm MS. DEANA THERESA O'BRIEN (L.C.S.W.) with NPI 1184051351; it appears in the national provider directory.
Is MS. DEANA THERESA O'BRIEN (L.C.S.W.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does MS. DEANA THERESA O'BRIEN (L.C.S.W.) work in?
You can think of MS. DEANA THERESA O'BRIEN (L.C.S.W.) as practicing within Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where is MS. DEANA THERESA O'BRIEN (L.C.S.W.)'s primary listing?
We display West Haven, Connecticut because that is what the record indicates for MS. DEANA THERESA O'BRIEN (L.C.S.W.).
Is MS. DEANA THERESA O'BRIEN (L.C.S.W.) a real provider?
This page reflects official NPPES data for NPI 1184051351. Always confirm identity and privileges with the practice and licensing boards.

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