John Michael Duke, MD
Family Medicine Physician · Westminster, CO
John Michael Duke, MD is a family medicine physician with a practice address in Westminster, Colorado, and NPI 1508494766, issued on Mar 31, 2020. Check the license (Colorado DR.0071071, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Michael Duke
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DR.0071071 CO
36172 OK
Self-reported in NPPES; status is on the state search - Practice location
- 14300 Orchard Pkwy, Westminster, CO 80023
- Phone
- (303) 430-5560
- Enumerated
- Mar 31, 2020
- Record last updated
- Nov 13, 2023
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 14300 Orchard Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Michael Duke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0071071Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
307 Medicare Part D claims for 170 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 45 claims were for opioids.
Most prescribed
- Prednisone30 claims
- Hydrocodone-Acetaminophen21 claims
- Azithromycin17 claims
- Amoxicillin-Clavulanate Potass14 claims
- Meloxicam13 claims
- Cephalexin12 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.
John Michael Duke among 3,563 family medicine physician records in Colorado
John Michael Duke, 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 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2023 · 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).
192 family medicine physician records list a practice address in Westminster
They are 192 of the 2,492 NPPES records with a practice address in Westminster, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Westminster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Burchinal, DOBroomfield, CO 800231659401420
- Elena Chertkova, MDWestminster, CO 800231356445605
- Stephen Cobb, MDThornton, CO 800231194771899
- Sara Diaz, DOWestminster, CO 800231417111899
- Mary Dion, M.D.Westminster, CO 800231881911808
- Ryan Flint, DOWestminster, CO 800231730226010
- Trevor Harrington, D.O.Westminster, CO 800231558773986
- Eric Keahey, M.D.Westminster, CO 800231265610141
Common questions
What is John Michael Duke, MD's NPI number?
John Michael Duke, MD's National Provider Identifier (NPI) is 1508494766, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Duke, MD located?
The NPPES record lists a practice address at 14300 Orchard Pkwy, Westminster, CO, 80023. Phone: (303) 430-5560. Providers update this record themselves, so call before visiting.
How can I verify John Michael Duke, MD's license?
NPPES lists Colorado license number DR.0071071, as entered by the provider. 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 John Michael Duke, MD prescribe under Medicare Part D?
In 2024, John Michael Duke, MD had 307 Medicare Part D claims for 170 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.