John Duke, MD
NPI 1508494766 · Family Medicine Physician · Westminster, CO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Duke, MD is a Family Medicine Physician provider in Westminster, CO (NPI 1508494766).
Provider details
- NPI number
- 1508494766
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36172 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
227 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 101 | $166 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 84 | $115 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 15 | $68 |
| Critical Care, First 30-74 Minutes99291 | 14 | $200 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 13 | $8 |
Typical Medicare-allowed amounts for these services range $8–$200 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 30 | 30 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 20 |
| Azithromycin | 17 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Meloxicam | 13 | 11 |
| Cephalexin | 12 | 11 |
| Ipratropium Bromide | 12 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1111 S Saint Louis AveTulsa, OK 74120-5440Phone: (918) 619-4600Fax: (918) 619-4696
Registry dates
- Enumerated
- 2020-03-31
- Last updated
- 2023-11-13
- Certified
- 2023-06-28
Frequently asked questions
- What is John Duke's NPI number?
- John Duke's National Provider Identifier (NPI) is 1508494766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duke's specialty?
- John Duke is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Duke located?
- John Duke's practice location on file with NPPES is 14300 Orchard Pkwy, Westminster, CO 80023-9206.
- What is John Duke's phone number?
- The practice phone number listed in the NPPES registry for John Duke is (303) 430-5560.
- Does John Duke accept Medicare?
- John Duke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Duke's NPI active?
- Yes — John Duke's NPI (1508494766) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.