David C. Duncan, MD
Family Medicine Physician · Golden, CO
David C. Duncan, MD is a family medicine physician with a practice address in Golden, Colorado, and NPI 1427065705, issued on Aug 1, 2006. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David C. Duncan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 12810 OK
Self-reported in NPPES; status is on the state search - Practice location
- 5920 Mcintyre St, Golden, CO 80403
- Phone
- (720) 434-4876
- Enumerated
- Aug 1, 2006
- Record last updated
- Oct 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 225-4246
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 5920 Mcintyre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarence Adams, NPAdult Health Nurse Practitioner1609278290
- Mark Adams, MDGeriatric Medicine (Internal Medicine) Physician1881682888
- Maureen Allen, WHNPWomen's Health Nurse Practitioner1770525925
- Katherine Arthur, PA-CPhysician Assistant1710127659
- Myrtle Barlow, NP-CNurse Practitioner1629331186
- Sharon Blumenthal, FNPFamily Nurse Practitioner1861628802
Verify David C. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical 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
10% more Medicare Part D claims than the average family medicine physician in 2024
3,887 Medicare Part D claims for 179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.
Most prescribed
- Levothyroxine Sodium310 claims
- Atorvastatin Calcium203 claims
- Furosemide182 claims
- Potassium Chloride136 claims
- Pantoprazole Sodium127 claims
- Tamsulosin Hcl102 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.
David C. Duncan among 3,563 family medicine physician records in Colorado
David C. Duncan, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2017 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 family medicine physician records list a practice address in Golden
They are 41 of the 1,371 NPPES records with a practice address in Golden, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Golden → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ghassan GhuneimGolden, CO 804031669493805
- Melissa Gruen, MD, JDGolden, CO 804031487798021
- Rachel Hills, MDGolden, CO 804031538270939
- Roger Matthews, D.O.Golden, CO 804031104820570
- Gregory Mesa, M.D.Golden, CO 804031417099490
- Donald Remaly, MDGolden, CO 804031497969125
- Linda Reschl, MDGolden, CO 804031265470256
- Danice Rinderknecht, MDGolden, CO 804031447315304
Common questions
What is David C. Duncan, MD's NPI number?
David C. Duncan, MD's National Provider Identifier (NPI) is 1427065705, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David C. Duncan, MD located?
The NPPES record lists a practice address at 5920 Mcintyre St, Golden, CO, 80403. Phone: (720) 434-4876. Providers update this record themselves, so call before visiting.
How can I verify David C. Duncan, MD's license?
Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David C. Duncan, MD prescribe under Medicare Part D?
In 2024, David C. Duncan, MD had 3,887 Medicare Part D claims for 179 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.