NPPES file of Aug 9, 2026

Donald G. Rosenthal, MD

Internal Medicine Physician · Waterbury, CT

Donald G. Rosenthal, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1063435170, issued on Jul 26, 2006. Check the license (Connecticut 019644, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063435170
Name
Donald G. Rosenthal
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
019644 CT
Self-reported in NPPES; status is on the state search
Practice location
447 Meriden RD, Waterbury, CT 06705
Phone
(203) 574-5650
Enumerated
Jul 26, 2006
Record last updated
Dec 27, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(203) 574-7815
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 447 Meriden RD

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

  1. Robin McCormack, APRNFamily Nurse Practitioner1215942636
  2. Priyanka PrasadDentist1083506877
  3. Edmund Quinn, MDInternal Medicine Physician1306851720

Verify Donald G. Rosenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 019644
    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

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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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Donald G. Rosenthal, MD's NPI number?

Donald G. Rosenthal, MD's National Provider Identifier (NPI) is 1063435170, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald G. Rosenthal, MD located?

The NPPES record lists a practice address at 447 Meriden RD, Waterbury, CT, 06705. Phone: (203) 574-5650. Providers update this record themselves, so call before visiting.

How can I verify Donald G. Rosenthal, MD's license?

NPPES lists Connecticut license number 019644, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.