Anthony Posteraro, M.D.
Internal Medicine Physician · East Hampton, CT
Anthony Posteraro, M.D. is an internal medicine physician with a practice address in East Hampton, Connecticut, and NPI 1184683328, issued on Mar 17, 2006. Check the license (Connecticut 019956, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Anthony Posteraro
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 019956 CT
Self-reported in NPPES; status is on the state search - Practice location
- 42 E High St, East Hampton, CT 06424
- Phone
- (860) 267-2593
- Enumerated
- Mar 17, 2006
- Entity
- Type 1 · individual
Also registered at 42 E High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Gregorio, M.D.Pediatrics Physician1023465283
Verify Anthony Posteraro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 019956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
509 Medicare Part D claims for 134 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Levothyroxine Sodium34 claims
- Trazodone Hcl30 claims
- Metoprolol Succinate26 claims
- Lorazepam23 claims
- Omeprazole21 claims
- Amlodipine Besylate20 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.
1 internal medicine physician records list a East Hampton practice address
They are 1 of the 90 NPPES records with a East Hampton practice address, and 2,830 internal medicine physician records in Connecticut.
Other internal medicine physician records in Connecticut
- Christina AbavanaBridgeport, CT1508206574
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Mahmoud Abdelrahman, MDBridgeport, CT1467072868
- Simon Abi-SalehBridgeport, CT1891315529
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Nila Aburto, MDStamford, CT1396325718
- Angelo Accomando, M.D.East Haven, CT1063454247
Common questions
What is Anthony Posteraro, M.D.'s NPI number?
Anthony Posteraro, M.D.'s National Provider Identifier (NPI) is 1184683328, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Posteraro, M.D. located?
The NPPES record lists a practice address at 42 E High St, East Hampton, CT, 06424. Phone: (860) 267-2593. Providers update this record themselves, so call before visiting.
How can I verify Anthony Posteraro, M.D.'s license?
NPPES lists Connecticut license number 019956, as entered by the provider. 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 Anthony Posteraro, M.D. prescribe under Medicare Part D?
In 2024, Anthony Posteraro, M.D. had 509 Medicare Part D claims for 134 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.