Ronald Leo Duffy, DDS
General Practice Dentistry · Beloit, WI
Ronald Leo Duffy, DDS is a general practice dentistry with a practice address in Beloit, Wisconsin, and NPI 1558560318, issued on Jul 12, 2007. Check the license (Wisconsin 5000406015, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald Leo Duffy
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 5000406015 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1454 E Huebbe Parkway, Beloit, WI 53511
- Phone
- (608) 362-0672
- Enumerated
- Jul 12, 2007
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (608) 362-4960
- Entity
- Type 1 · individual
Verify Ronald Leo Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 5000406015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11 general practice dentistry records list a practice address in Beloit
They are 11 of the 706 NPPES records with a practice address in Beloit, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11 in Beloit → All 2,305 in Wisconsin → Every provider in Beloit →
Other general practice dentistry records in Wisconsin
- Komail Abbas, D.M.D.Kenosha, WI1114206109
- Dennis Abere, DDSWaukesha, WI1962585281
- Caleb Abfall, DDSGreen Bay, WI1336851765
- Margaret Aboagye, DDSRacine, WI1629150289
- Jennifer Abraham, D.D.S.Thiensville, WI1295944619
- Reena Abraham, DMDMarshfield, WI1457589491
- Theresa Adamczyk, DDSOshkosh, WI1962882308
- Frances Adjepon-YamoahMadison, WI1689281081
- Mohamed Adl, DDSWest Allis, WI1083640460
- Dennis Adler, DDSMount Horeb, WI1083787626
Common questions
What is Ronald Leo Duffy, DDS's NPI number?
Ronald Leo Duffy, DDS's National Provider Identifier (NPI) is 1558560318, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Leo Duffy, DDS located?
The NPPES record lists a practice address at 1454 E Huebbe Parkway, Beloit, WI, 53511. Phone: (608) 362-0672. Providers update this record themselves, so call before visiting.
How can I verify Ronald Leo Duffy, DDS's license?
NPPES lists Wisconsin license number 5000406015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. 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.