Karen O'Brien, APRN
Critical Care Neonatal Nurse Practitioner · Hartford, CT
Karen O'Brien, APRN is a critical care neonatal nurse practitioner with a practice address in Hartford, Connecticut, and NPI 1306084959, issued on Feb 4, 2009. Check the license (Connecticut 000409, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen O'Brien
- Credential
- APRN
- Primary taxonomy
- Critical Care Neonatal Nurse Practitioner 363LN0005X
- License number
- 000409 CT
Self-reported in NPPES; status is on the state search - Practice location
- 282 Washington St, Hartford, CT 06106
- Phone
- (860) 545-8950
- Enumerated
- Feb 4, 2009
- Record last updated
- Sep 15, 2022
- Medicaid ID
- 1215947387 CT
- Entity
- Type 1 · individual
Also registered at 282 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara AdamsPediatric Nurse Practitioner1962663583
- Ariana Adamski-Larson, MDStudent in an Organized Health Care Education/Training Program1518655083
- Taylor Aglio, M.D.Pediatric Hematology & Oncology Physician1285015453
- Sabina Ahmad, M.D.Pediatric Pulmonology Physician1134476658
- Neveen Al-Said, DOPediatrics Physician1851978548
- Paula Algranati, MDPediatrics Physician1467424317
Verify Karen 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 000409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Critical Care Neonatal Nurse Practitioner providers in Connecticut
There are 31 critical care neonatal nurse practitioner records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other critical care neonatal nurse practitioner records in Connecticut
- Susan Beebe, APRNFarmington, CT1881139350
- Ashley Bourassa, APRN, NNP-BCFarmington, CT1447807383
- Kathleen Britting, APRNHartford, CT1912907791
- Anna Camacho, APRNHartford, CT1558632257
- Victoria CarvalhoFarmington, CT1518690312
- Lauren ClaffeyNew Haven, CT1386365716
- Angela Craft, APRNDerby, CT1528363504
- Christie Czarnecki, APRNDerby, CT1255993762
- Rubi Diaz, APRNFarmington, CT1558022434
- Megan Fitzsimons, APRNHartford, CT1710659123
Common questions
What is Karen O'Brien, APRN's NPI number?
Karen O'Brien, APRN's National Provider Identifier (NPI) is 1306084959, issued on Feb 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karen O'Brien, APRN located?
The NPPES record lists a practice address at 282 Washington St, Hartford, CT, 06106. Phone: (860) 545-8950. Providers update this record themselves, so call before visiting.
How can I verify Karen O'Brien, APRN's license?
NPPES lists Connecticut license number 000409, 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. 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.