David S. Duncan, DO
Family Medicine Physician · Salt Lake City, UT
David S. Duncan, DO is a family medicine physician with a practice address in Salt Lake City, Utah, and NPI 1871516625, issued on Jul 25, 2006. Check the license (Utah 343362-1204, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- David S. Duncan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 343362-1204 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3934 S 2300 E, Salt Lake City, UT 84124
- Phone
- (801) 408-1980
- Enumerated
- Jul 25, 2006
- Record last updated
- Jan 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050713000310); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2002
- Entity
- Type 1 · individual
Also registered at 3934 S 2300 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne-Marie FoulgerNurse Practitioner1265329387
- Ellen Guthrie, MDInternal Medicine Physician1497868392
- Karen Kelley, MDEmergency Medicine Physician1386757292
Verify David S. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 343362-1204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
548 Medicare Part D claims for 358 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone94 claims
- Cephalexin66 claims
- Dexamethasone53 claims
- Amoxicillin47 claims
- Doxycycline Monohydrate37 claims
- Ciprofloxacin Hcl26 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 IncDraper, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
240 family medicine physician records list a practice address in Salt Lake City
They are 240 of the 21,563 NPPES records with a practice address in Salt Lake City, and 1,411 family medicine physician records in Utah.
All 240 in Salt Lake City → All 1,411 in Utah → Every provider in Salt Lake City →
Other family medicine physician records in Utah
- David Aamodt, MDSouth Ogden, UT1619928140
- Critt Aardema, MDRoy, UT1891003265
- Sergio Abarca, M.D.Tooele, UT1245238617
- Rebecca Abbey, MDSalt Lake City, UT1043604341
- Martin Abbinanti, M.D.Sandy, UT1891847117
- Justin Abbott, D.O.Richfield, UT1184814436
- Barry Acor, MDSt George, UT1154633642
- Michael Adams, MDSandy, UT1780781682
- Robert Adams, MDOgden, UT1134293772
- Anita Albanese, MDBountiful, UT1114505559
Common questions
What is David S. Duncan, DO's NPI number?
David S. Duncan, DO's National Provider Identifier (NPI) is 1871516625, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David S. Duncan, DO located?
The NPPES record lists a practice address at 3934 S 2300 E, Salt Lake City, UT, 84124. Phone: (801) 408-1980. Providers update this record themselves, so call before visiting.
How can I verify David S. Duncan, DO's license?
NPPES lists Utah license number 343362-1204, as entered by the provider. 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 David S. Duncan, DO prescribe under Medicare Part D?
In 2024, David S. Duncan, DO had 548 Medicare Part D claims for 358 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.