Natalie O'Brien, LCSW
Clinical Social Worker · New Britain, CT
Natalie O'Brien, LCSW is a clinical social worker with a practice address in New Britain, Connecticut, and NPI 1942787080, issued on Jul 22, 2018. Check the license (Connecticut 013189, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalie O'Brien
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 013189 CT
Self-reported in NPPES; status is on the state search - Practice location
- 73 Cedar St, New Britain, CT 06052
- Phone
- (860) 224-5900
- Enumerated
- Jul 22, 2018
- Record last updated
- Mar 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20240501000243); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 73 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalie O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 013189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie O'Brien among 7,729 clinical social worker records in Connecticut
Natalie 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 2018, is newer than 63% of them.
- NPI issued2018 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2018 · median 2009 among the 1,784 with a school on file
- Record last updated2024 · 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).
189 clinical social worker records list a practice address in New Britain
They are 189 of the 1,772 NPPES records with a practice address in New Britain, and 7,729 clinical social worker records in Connecticut.
All 7,729 in Connecticut → Every provider in New Britain → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Kelly Alberdi, LCSWNew Britain, CT 060521750575452
- Divina Anderson, LCSWNew Britain, CT 060521861420895
- Anisa Baczek, LCSWNew Britian, CT 060521184718900
- Nancyann BrassardNew Britain, CT 060521821279670
- Paul Dalessio, MSWNew Britain, CT 060521467578229
- Natalie Greenfield, LCSWNew Britain, CT 060521669540910
- Thomas Lorenzetti, LCSWNew Britain, CT 060521467524348
- Barbara Messing, LCSWNew Britain, CT 060521841342136
Common questions
What is Natalie O'Brien, LCSW's NPI number?
Natalie O'Brien, LCSW's National Provider Identifier (NPI) is 1942787080, issued on Jul 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Natalie O'Brien, LCSW located?
The NPPES record lists a practice address at 73 Cedar St, New Britain, CT, 06052. Phone: (860) 224-5900. Providers update this record themselves, so call before visiting.
How can I verify Natalie O'Brien, LCSW's license?
NPPES lists Connecticut license number 013189, 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.