Robert Duncan, DO
Internal Medicine Physician · Logan, UT
Robert Duncan, DO is an internal medicine physician with a practice address in Logan, Utah, and NPI 1720049133, issued on Mar 28, 2006. Check the license on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Robert Duncan
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3541 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N 500 E, Logan, UT 84341
- Phone
- (435) 716-1000
- Enumerated
- Mar 28, 2006
- Record last updated
- May 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 636368 AZ
- Medicare enrollment
- Enrolled (PECOS I20081218000373); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 1400 N 500 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sherrie Ainsworth, APRN - NNPCritical Care Neonatal Nurse Practitioner1114102548
- Loralynn AllenNeonatal Intensive Care Registered Nurse1912820788
- Breeann Allred, D.P.TPhysical Therapist1932393261
- Amelia Anderson, MDHospitalist Physician1356091920
- Marie Anderson, MA, CF-SLPSpeech-Language Pathologist1992637771
- Mark Anderson, M.D.Diagnostic Radiology Physician1376540955
Verify Robert Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
170 Medicare Part D claims for 73 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir11 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.
Bills Medicare through one group practice
- Ihc Health Services IncProvo, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Duncan among 664 internal medicine physician records in Utah
Robert Duncan, DO is one of 664 internal medicine physician records with a practice address in Utah. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 60% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1998 · median 2007 among the 354 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Logan
They are 14 of the 1,411 NPPES records with a practice address in Logan, and 664 internal medicine physician records in Utah.
All 664 in Utah → Every provider in Logan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cedric Buckley, D.O.North Logan, UT 843411437545043
- David Faux, M.D.Logan, UT 843411427268366
- Michael Francis, D.O.Logan, UT 843411104093996
- Jan Goossens, M.D.Logan, UT 843411881678399
- Jeffrey Huffman, MDLogan, UT 843411760492219
- Robert Nash, MDLogan, UT 843411033129523
- Ronald Payne, M.O.North Logan, UT 843411669747804
- Edward Redd, MDLogan, UT 843411578597647
Common questions
What is Robert Duncan, DO's NPI number?
Robert Duncan, DO's National Provider Identifier (NPI) is 1720049133, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Duncan, DO located?
The NPPES record lists a practice address at 1400 N 500 E, Logan, UT, 84341. Phone: (435) 716-1000. Providers update this record themselves, so call before visiting.
How can I verify Robert Duncan, DO's license?
Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Duncan, DO prescribe under Medicare Part D?
In 2024, Robert Duncan, DO had 170 Medicare Part D claims for 73 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.