Registry data as of Aug 27, 2026

Caterina Violi, MD

Obstetrics & Gynecology Physician · Greenwich, CT

Caterina Violi, MD is an obstetrics & gynecology physician with a practice address in Greenwich, Connecticut, and NPI 1942395777, issued on Oct 4, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942395777
Name
Caterina Violi
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
2 1/2 Dearfield Dr, Greenwich, CT 06831
Phone
(203) 861-9586
Enumerated
Oct 4, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2 1/2 Dearfield Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia PalosObstetrics & Gynecology Physician1083858682
  2. Joel Rein, M.D.Plastic Surgery Physician1922180082
  3. Norma Roelke, CSWClinical Social Worker1801051222

Verify Caterina Violi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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
Open 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.

54% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

87 Medicare Part D claims for 43 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Caterina Violi87
  2. Specialty average188

Most prescribed

  1. Valacyclovir12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $427.74

16 payments, mostly food and beverage; the largest payer was Exact Sciences Corporation. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Caterina Violi$427.74
  2. Specialty average$1,147.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

13 obstetrics & gynecology physician records list a Greenwich practice address

They are 13 of the 1,184 NPPES records with a Greenwich practice address, and 682 obstetrics & gynecology physician records in Connecticut.

Other obstetrics & gynecology physician records in Connecticut

  1. Anne Abbate, MDBridgeport, CT1497323562
  2. Sonya Abdel-Razeq, MDNew Haven, CT1265415350
  3. Roxanne Abder, MDTrumbull, CT1790840809
  4. Patricia Abruna, M.D.Fairfield, CT1023246832
  5. Ami Acharya, M.D.Hamden, CT1437131760
  6. Marie Achong, M.D.Hartford, CT1700806213
  7. Elizabeth Ackley, M.D.New Haven, CT1316474091
  8. Sharon Adler, MDBristol, CT1235148438
  9. Sarp Aksel, M.D.Stamford, CT1245611441
  10. Elizabeth Alexander, MDNorwalk, CT1669882635

Common questions

What is Caterina Violi, MD's NPI number?

Caterina Violi, MD's National Provider Identifier (NPI) is 1942395777, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Caterina Violi, MD located?

The NPPES record lists a practice address at 2 1/2 Dearfield Dr, Greenwich, CT, 06831. Phone: (203) 861-9586. Providers update this record themselves, so call before visiting.

How can I verify Caterina Violi, MD's license?

Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caterina Violi, MD prescribe under Medicare Part D?

In 2024, Caterina Violi, MD had 87 Medicare Part D claims for 43 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.