John Joseph Harbut, M.D.
Internal Medicine Physician · New Britain, CT
John Joseph Harbut, M.D. is an internal medicine physician with a practice address in New Britain, Connecticut, and NPI 1487690509, issued on Jun 20, 2006. Check the license (Connecticut 022671, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Joseph Harbut
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 022671 CT
Self-reported in NPPES; status is on the state search - Practice location
- 25 Clinton St, New Britain, CT 06053
- Phone
- (860) 223-4146
- Enumerated
- Jun 20, 2006
- Record last updated
- Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (860) 223-6908
- Entity
- Type 1 · individual
Also registered at 25 Clinton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alicja Harbut, MDAdult Medicine Physician1184666430
- Edward Truscinski, DDSGeneral Practice Dentistry1730280355
Verify John Joseph Harbut in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 022671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
74 internal medicine physician records list a practice address in New Britain
They are 74 of the 1,772 NPPES records with a practice address in New Britain, and 2,623 internal medicine physician records in Connecticut.
All 74 in New Britain → All 2,623 in Connecticut → Every provider in New Britain →
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is John Joseph Harbut, M.D.'s NPI number?
John Joseph Harbut, M.D.'s National Provider Identifier (NPI) is 1487690509, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Harbut, M.D. located?
The NPPES record lists a practice address at 25 Clinton St, New Britain, CT, 06053. Phone: (860) 223-4146. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Harbut, M.D.'s license?
NPPES lists Connecticut license number 022671, 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 John Joseph Harbut, M.D. prescribe under Medicare Part D?
In 2024, John Joseph Harbut, M.D. had 11 Medicare Part D claims; 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), file of Aug 9, 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 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.