Clara Breen, RN
Certified Registered Nurse Anesthetist · Newton, MA
Clara Breen, RN is a certified registered nurse anesthetist with a practice address in Newton, Massachusetts, and NPI 1780336651, issued on Jan 21, 2022. Check the license (Massachusetts 2280757, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clara Breen
- Credential
- RN
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 2280757 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St, Newton, MA 02462
- Phone
- (617) 243-6298
- Enumerated
- Jan 21, 2022
- Record last updated
- Jul 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20230705002634); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,342 in Massachusetts → Look up another NPI →
Also registered at 2014 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nooshin Abbasi, MD MPHInternal Medicine Physician1831888353
- Todd Abbott, M.D.Anatomic Pathology & Clinical Pathology Physician1013057454
- Tatiana Abrantes, MDStudent in an Organized Health Care Education/Training Program1962107250
- Maura Adrian, LICSWSocial Worker1083106918
- Davies Agyekum, M.D., PHDAnesthesiology Physician1134651425
- Tarik Alkasab, M.D., PH.D.Diagnostic Radiology Physician1154305803
Verify Clara Breen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2280757Check 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
- Commonwealth Anesthesia Associates, IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clara Breen among 1,342 certified registered nurse anesthetist records in Massachusetts
Clara Breen, RN is one of 1,342 certified registered nurse anesthetist records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2023 · median 2013 among the 1,006 with a school on file
- Record last updated2023 · 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 367500000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 certified registered nurse anesthetist records list a practice address in Newton
They are 25 of the 2,975 NPPES records with a practice address in Newton, and 1,342 certified registered nurse anesthetist records in Massachusetts.
All 1,342 in Massachusetts → Every provider in Newton → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Anne Chang, MS, CRNANewton, MA 024621326345083
- Steven Cohen, CRNANewton, MA 024621265547459
- Ann Cotter, CRNANewton, MA 024621427163567
- Deborah Dunmire, CRNANewton, MA 024621073618807
- Jonathan Kopchick, CRNANewton, MA 024621710166137
- Carol Lemiszki, CRNANewton, MA 024621477668317
- Beth O'Keefe, CRNANewton, MA 024621528090024
- Marsha Orlando, CRNANewton, MA 024621548365372
Common questions
What is Clara Breen, RN's NPI number?
Clara Breen, RN's National Provider Identifier (NPI) is 1780336651, issued on Jan 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Clara Breen, RN located?
The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02462. Phone: (617) 243-6298. Providers update this record themselves, so call before visiting.
How can I verify Clara Breen, RN's license?
NPPES lists Massachusetts license number 2280757, as entered by the provider. Search the Massachusetts 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.