James W. Duncan, DMD
General Practice Dentistry · Tucson, AZ
James W. Duncan, DMD is a general practice dentistry with a practice address in Tucson, Arizona, and NPI 1093153058, issued on Jun 11, 2013. Check the license (Arizona D009145, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James W. Duncan
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- D009145 AZ
D008740 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 839 W Congress St, Tucson, AZ 85745
- Phone
- (520) 670-3909
- Enumerated
- Jun 11, 2013
- Record last updated
- Aug 20, 2025
- Fax
- (520) 309-2560
- Medicare enrollment
- Enrolled (PECOS I20250821002656); may accept Medicare assignment
- Medical or professional school
- At Still University, Arizona School Of Dentistry & Oral Hlth, 2013
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,482 in Arizona → Look up another NPI →
Also registered at 839 W Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melinda Arias, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1720688369
- Andrew Arthur, MDPediatrics Physician1962484048
- Vienna Aslanian, LCSWClinical Social Worker1437743523
- James Austin, CNMAdvanced Practice Midwife1205398682
- Michelle Baas, CNMAdvanced Practice Midwife1164155487
Verify James W. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D009145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average general practice dentistry in 2024
53 Medicare Part D claims for 42 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin13 claims
- Ibuprofen12 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: $20.78
1 payment: food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
James W. Duncan among 2,482 general practice dentistry records in Arizona
James W. Duncan, DMD is one of 2,482 general practice dentistry records with a practice address in Arizona. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 69% of them.
- NPI issued2013 · 69% of these records are older, 30% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 1% of these records are
- Graduated2013 · median 2013 among the 25 with a school on file
- Record last updated2025 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
323 general practice dentistry records list a practice address in Tucson
They are 323 of the 18,788 NPPES records with a practice address in Tucson, and 2,482 general practice dentistry records in Arizona.
All 2,482 in Arizona → Every provider in Tucson → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Michael Anderson, DDSTucson, AZ 857451760608913
- Stanley Baird, D.D.STucson, AZ 857451033328612
- Harold Black, DDSTucson, AZ 857451881750511
- Samira Ehteshami, DDSTucson, AZ 857451245619212
- Marwa Elkharsity, DDSTucson, AZ 857451407479504
- Soohyun Han, DMDTucson, AZ 857451598998833
- Lauren Hobeich, DDSTucson, AZ 857451750768651
- Steve Hwang, D.D.S.Tucson, AZ 857451841614534
Common questions
What is James W. Duncan, DMD's NPI number?
James W. Duncan, DMD's National Provider Identifier (NPI) is 1093153058, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is James W. Duncan, DMD located?
The NPPES record lists a practice address at 839 W Congress St, Tucson, AZ, 85745. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.
How can I verify James W. Duncan, DMD's license?
NPPES lists Arizona license number D009145, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does James W. Duncan, DMD prescribe under Medicare Part D?
In 2024, James W. Duncan, DMD had 53 Medicare Part D claims for 42 beneficiaries; the average among general practice dentistry prescribers was 83. 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.