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

Dr. Ralph Kenneth Duffin Sr., DDS

Individual provider Dentist · NPI 1699910257

Dr. Ralph Kenneth Duffin Sr., DDS is a Dentist in Medford, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2008
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.

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Practice location Address checks out

832 E Main St Ste 10
Medford, OR 97504-7153
Phone: (541) 282-7653
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence D6252 (OR)

Record details

NPI number1699910257
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedDecember 11, 2008
Last updated in NPPESFebruary 12, 2009

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