David Carl Loiewski, D.O.
Internal Medicine Physician · Winsted, CT
David Carl Loiewski, D.O. is an internal medicine physician with a practice address in Winsted, Connecticut, and NPI 1811089873, issued on Sep 28, 2006. Check the license (Connecticut 000258, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Carl Loiewski
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 000258 CT
Self-reported in NPPES; status is on the state search - Practice location
- 115 Spencer St, Winsted, CT 06098
- Phone
- (860) 738-6985
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 738-6987
- Entity
- Type 1 · individual
Also registered at 115 Spencer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Carl Loiewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 000258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6 internal medicine physician records list a practice address in Winsted
They are 6 of the 70 NPPES records with a practice address in Winsted, and 2,623 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6 in Winsted → All 2,623 in Connecticut → Every provider in Winsted →
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 David Carl Loiewski, D.O.'s NPI number?
David Carl Loiewski, D.O.'s National Provider Identifier (NPI) is 1811089873, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Carl Loiewski, D.O. located?
The NPPES record lists a practice address at 115 Spencer St, Winsted, CT, 06098. Phone: (860) 738-6985. Providers update this record themselves, so call before visiting.
How can I verify David Carl Loiewski, D.O.'s license?
NPPES lists Connecticut license number 000258, 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.