John Travis Duffy, DMD
Dentist · Salem, OR
John Travis Duffy, DMD is a dentist with a practice address in Salem, Oregon, and NPI 1821420324, issued on Aug 7, 2013. Check the license (Oregon D9931, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Travis Duffy
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- D9931 OR
Self-reported in NPPES; status is on the state search - Practice location
- 640 12TH St SE, Salem, OR 97301
- Phone
- (503) 364-7944
- Enumerated
- Aug 7, 2013
- Record last updated
- Aug 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (503) 585-8902
- Entity
- Type 1 · individual
Also registered at 640 12TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Cruise, D.M.D.General Practice Dentistry1295721645
Verify John Travis Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D9931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average dentist in 2024
105 Medicare Part D claims for 55 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin29 claims
- Chlorhexidine Gluconate26 claims
- Azithromycin15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $49.39
3 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
79 dentist records list a practice address in Salem
They are 79 of the 6,700 NPPES records with a practice address in Salem, and 1,246 dentist records in Oregon.
All 79 in Salem → All 1,246 in Oregon → Every provider in Salem →
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 John Travis Duffy, DMD's NPI number?
John Travis Duffy, DMD's National Provider Identifier (NPI) is 1821420324, issued on Aug 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is John Travis Duffy, DMD located?
The NPPES record lists a practice address at 640 12TH St SE, Salem, OR, 97301. Phone: (503) 364-7944. Providers update this record themselves, so call before visiting.
How can I verify John Travis Duffy, DMD's license?
NPPES lists Oregon license number D9931, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John Travis Duffy, DMD prescribe under Medicare Part D?
In 2024, John Travis Duffy, DMD had 105 Medicare Part D claims for 55 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.