Ralph Kenneth Duffin, D.D.S.
Dentist · Medford, OR
Ralph Kenneth Duffin, D.D.S. is a dentist with a practice address in Medford, Oregon, and NPI 1699910257, issued on Dec 11, 2008. Check the license (Oregon D6252, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ralph Kenneth Duffin
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- D6252 OR
Self-reported in NPPES; status is on the state search - Practice location
- 832 E Main St, Medford, OR 97504
- Phone
- (541) 282-7653
- Enumerated
- Dec 11, 2008
- Record last updated
- Feb 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 150693 OR
- Entity
- Type 1 · individual
Also registered at 832 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susannah Elder, L.M.T., NCBTMBSpecialist1518039890
- Gordon Grafton, LMTMassage Therapist1770723363
- Christine Rackley, LMTMassage Therapist1174852602
Verify Ralph Kenneth Duffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D6252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52 dentist records list a practice address in Medford
They are 52 of the 4,542 NPPES records with a practice address in Medford, and 1,246 dentist records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 52 in Medford → All 1,246 in Oregon → Every provider in Medford →
Other dentist records in Oregon
- Tamara Abbett, D.D.S.Medford, OR1972504710
- Kyoko Abe, D.M.DPortland, OR1629142641
- Daniel Adair, D.D.S.Salem, OR1609287143
- Christopher Adams, D.D.S.Roseburg, OR1487886321
- Kathleene Adams, DMDPortland, OR1063582252
- Ranier Adarve, DMDPortland, OR1982789848
- Priyadarshini AgrawalNorth Bend, OR1912354689
- Azma Ahmed, DDSPortland, OR1417341983
- Lee Albrecht, DMDSalem, OR1639338130
- Roman Alexandroff, D.M.D.Warrenton, OR1811188824
Common questions
What is Ralph Kenneth Duffin, D.D.S.'s NPI number?
Ralph Kenneth Duffin, D.D.S.'s National Provider Identifier (NPI) is 1699910257, issued on Dec 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Kenneth Duffin, D.D.S. located?
The NPPES record lists a practice address at 832 E Main St, Medford, OR, 97504. Phone: (541) 282-7653. Providers update this record themselves, so call before visiting.
How can I verify Ralph Kenneth Duffin, D.D.S.'s license?
NPPES lists Oregon license number D6252, as entered by the provider. Search the Oregon 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.