NPPES file of Aug 9, 2026

Sarah O'Brien, LCSW

Clinical Social Worker · Woodbury, CT

Sarah O'Brien, LCSW is a clinical social worker with a practice address in Woodbury, Connecticut, and NPI 1245823426, issued on Feb 18, 2021. Check the license (Connecticut 13121, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245823426
Name
Sarah O'Brien
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
13121 CT
Self-reported in NPPES; status is on the state search
Practice location
787 Main St S, Woodbury, CT 06798
Phone
(203) 231-2443
Enumerated
Feb 18, 2021
Record last updated
Feb 24, 2025
Medicare enrollment
Enrolled (PECOS I20230822002648); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Sarah O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 13121
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Optum Behavioral Care OF Connecticut PCMiddlebury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah O'Brien among 7,729 clinical social worker records in Connecticut

Sarah O'Brien, LCSW is one of 7,729 clinical social worker records with a practice address in Connecticut. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 21% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated2020 · median 2009 among the 1,784 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 clinical social worker records list a practice address in Woodbury

They are 19 of the 141 NPPES records with a practice address in Woodbury, and 7,729 clinical social worker records in Connecticut.

The 8 clinical social worker records with the nearest ZIP codes

  1. Shannon Alther, LCSWWoodbury, CT 067981831469949
  2. Rio ComaduranWoodbury, CT 067981477065043
  3. Monica Gilson, LCSWWoodbury, CT 067981053611673
  4. Lauren Henry, LCSWWoodbury, CT 067981841587698
  5. Alison Luciano, LCSWWoodbury, CT 067981003248956
  6. Courtney Malcolm, MSW, LCSWWoodbury, CT 067981093909525
  7. Becky Mayer, LCSWWoodbury, CT 067981649639402
  8. Kevin Moshier, LCSWWoodbury, CT 067981255678959

Common questions

What is Sarah O'Brien, LCSW's NPI number?

Sarah O'Brien, LCSW's National Provider Identifier (NPI) is 1245823426, issued on Feb 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sarah O'Brien, LCSW located?

The NPPES record lists a practice address at 787 Main St S, Woodbury, CT, 06798. Phone: (203) 231-2443. Providers update this record themselves, so call before visiting.

How can I verify Sarah O'Brien, LCSW's license?

NPPES lists Connecticut license number 13121, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.