Vincent Defina, DMD
Dentist · Greenwich, CT
Vincent Defina, DMD is a dentist with a practice address in Greenwich, Connecticut, and NPI 1326350596, issued on Jul 5, 2010. Check the license (Connecticut 010457, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vincent Defina
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 010457 CT
Self-reported in NPPES; status is on the state search - Practice location
- 4 Dearfield Dr, Greenwich, CT 06831
- Phone
- (203) 629-9009
- Enumerated
- Jul 5, 2010
- Entity
- Type 1 · individual
Also registered at 4 Dearfield Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Vincent Defina in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 010457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
68% fewer Medicare Part D claims than the average dentist in 2024
29 Medicare Part D claims for 22 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin16 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.
Dentist providers in Connecticut
There are 925 dentist records in Connecticut.
Other dentist records in Connecticut
- Lauren Aber, DMDMeriden, CT1083264998
- Alan Abrams, D.D.SNorwalk, CT1265641450
- Cailyn Abramson, D.M.D.Burlington, CT1437303831
- Laura Acuna- Vinluan, DDSStamford, CT1336775501
- Theodore Adamidis, DMDNewington, CT1396877981
- Tatiana Agababaeva, DMDBridgeport, CT1730530577
- Bobby Ahmadi, DMDDarien, CT1598334724
- Sumona Akter Eity, DMDHartford, CT1639868904
- Ahmad Alabbadi, DMDWindsor, CT1356788871
- Dina Albano, D.M.D.Waterbury, CT1235264920
Common questions
What is Vincent Defina, DMD's NPI number?
Vincent Defina, DMD's National Provider Identifier (NPI) is 1326350596, issued on Jul 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Vincent Defina, DMD located?
The NPPES record lists a practice address at 4 Dearfield Dr, Greenwich, CT, 06831. Phone: (203) 629-9009. Providers update this record themselves, so call before visiting.
How can I verify Vincent Defina, DMD's license?
NPPES lists Connecticut license number 010457, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Vincent Defina, DMD prescribe under Medicare Part D?
In 2024, Vincent Defina, DMD had 29 Medicare Part D claims for 22 beneficiaries; the average among dentist prescribers was 90. 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.