Derek Duncan, DO
NPI 1487764957 · Family Medicine Physician · Lake City, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Duncan, DO is a Family Medicine Physician provider in Lake City, IA (NPI 1487764957).
Provider details
- NPI number
- 1487764957
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 05-31486 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
299 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 160 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 102 | $105 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $120 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $74 |
Typical Medicare-allowed amounts for these services range $73–$120 (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 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 591 | 117 |
| Levothyroxine Sodium | 470 | 76 |
| Lisinopril | 442 | 75 |
| Amlodipine Besylate | 432 | 80 |
| Tramadol Hcl | 323 | 56 |
| Omeprazole | 319 | 59 |
| Furosemide | 243 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-08-10
Frequently asked questions
- What is Derek Duncan's NPI number?
- Derek Duncan's National Provider Identifier (NPI) is 1487764957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Duncan's specialty?
- Derek Duncan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Duncan located?
- Derek Duncan's practice location on file with NPPES is 1351 W Main St, Lake City, IA 51449-1585.
- What is Derek Duncan's phone number?
- The practice phone number listed in the NPPES registry for Derek Duncan is (712) 464-7907.
- Does Derek Duncan accept Medicare?
- Derek Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Duncan's NPI active?
- Yes — Derek Duncan's NPI (1487764957) is active in the NPPES registry as of the last update on 2007-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.