Catherine A. Onorato, CRNA
Certified Registered Nurse Anesthetist · Greenwich, CT
Catherine A. Onorato, CRNA is a certified registered nurse anesthetist with a practice address in Greenwich, Connecticut, and NPI 1295757052, issued on Jul 24, 2006. Check the license (Connecticut 038280, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine A. Onorato
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 038280 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 661-5330
- Enumerated
- Jul 24, 2006
- Record last updated
- Nov 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111105000076); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tena AbrahamPharmacist1649838905
- Hanief Abrahams, M.D.Anesthesiology Physician1497798235
- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Catherine A. Onorato in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 038280Check 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
- Greenwich Anesthesiology Associates PCGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 certified registered nurse anesthetist records list a practice address in Greenwich
They are 13 of the 1,184 NPPES records with a practice address in Greenwich, and 880 certified registered nurse anesthetist records in Connecticut.
All 13 in Greenwich → All 880 in Connecticut → Every provider in Greenwich →
Other certified registered nurse anesthetist records in Connecticut
- Justin AbbateBridgeport, CT1811780497
- Kevin Abbate, CRNAManchester, CT1518438530
- Luke Ackroyd, CRNANew London, CT1982640348
- Melissa AdrianiNew Haven, CT1619222908
- Julie Ali, APRN, CRNAMeriden, CT1376735407
- Devin Allen, CRNAHartford, CT1841768439
- Caitlin Almeida, CRNANew Haven, CT1558819946
- Christine AloiBridgeport, CT1043865454
- Katherine AmaranteNew Haven, CT1184246365
- Richard Amione, C.R.N.A.Wilton, CT1487639407
Common questions
What is Catherine A. Onorato, CRNA's NPI number?
Catherine A. Onorato, CRNA's National Provider Identifier (NPI) is 1295757052, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine A. Onorato, CRNA located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 661-5330. Providers update this record themselves, so call before visiting.
How can I verify Catherine A. Onorato, CRNA's license?
NPPES lists Connecticut license number 038280, 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.