Registry data as of Aug 27, 2026

Ionut Anton, MD

Internal Medicine Physician · Waterbury, CT

Ionut Anton, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1770550238, issued on Mar 3, 2006. Check the license (Connecticut 040407, as entered in NPPES) 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 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770550238
Name
Ionut Anton
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
040407 CT
Self-reported in NPPES; status is on the state search
Practice location
171 Grandview Ave, Waterbury, CT 06708
Phone
(203) 596-1909
Enumerated
Mar 3, 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 171 Grandview Ave

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

  1. Marc Bernbach, DPMPodiatrist1538149463
  2. Kimberely Casagni, A.P.R.N.-FNPFamily Nurse Practitioner1427158781
  3. Lance Eriksen, MDDermatology Physician1891898821
  4. Victor Gotay, MDOtolaryngology Physician1417952110
  5. Ihsan Jabbour, M.D.General Practice Physician1407899610
  6. Caitlin Kishore, AU.DAudiologist1538544481

Verify Ionut Anton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 040407
    Check 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.

2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,092 Medicare Part D claims for 551 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 92 claims were for opioids.

  1. Ionut Anton9,092
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium525 claims
  2. Amlodipine Besylate475 claims
  3. Rosuvastatin Calcium465 claims
  4. Metformin Hcl320 claims
  5. Levothyroxine Sodium305 claims
  6. Pioglitazone Hcl208 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: $1,803.39

77 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ionut Anton$1,803.39
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Prospect CT Medical Foundation IncWaterbury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

119 internal medicine physician records list a practice address in Waterbury

They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  2. Gada Abdelhafiz, MDNew London, CT1467649558
  3. Racha Abi Melhem, MDDerby, CT1902471352
  4. Gerard Abidor, D.O.Bridgeport, CT1518014539
  5. Lilyan AbrahamFarmington, CT1447693254
  6. Richard Abraham, M.D.Canton, CT1023044252
  7. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  8. Kenneth Abriola, MDGlastonbury, CT1083693022
  9. Florentino Abueg, MDSouthbury, CT1649372558
  10. Nila Aburto, MDStamford, CT1396325718

Common questions

What is Ionut Anton, MD's NPI number?

Ionut Anton, MD's National Provider Identifier (NPI) is 1770550238, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ionut Anton, MD located?

The NPPES record lists a practice address at 171 Grandview Ave, Waterbury, CT, 06708. Phone: (203) 596-1909. Providers update this record themselves, so call before visiting.

How can I verify Ionut Anton, MD's license?

NPPES lists Connecticut license number 040407, 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 Ionut Anton, MD prescribe under Medicare Part D?

In 2024, Ionut Anton, MD had 9,092 Medicare Part D claims for 551 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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) 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 27, 2026.