Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronald Leo Duffy, DDS

Individual provider General Practice Dentistry · NPI 1558560318

Dr. Ronald Leo Duffy, DDS is a General Practice Dentistry in Beloit, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

1454 E Huebbe Pkwy
Beloit, WI 53511-1714
Phone: (608) 362-0672
Fax: (608) 362-4960
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 5000406015 (WI)

Record details

NPI number1558560318
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJuly 12, 2007
Last updated in NPPESJuly 12, 2007

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