Derek L. Duncan, DO
Family Medicine Physician · Lake City, IA
Derek L. Duncan, DO is a family medicine physician with a practice address in Lake City, Iowa, and NPI 1487764957, issued on Aug 30, 2006. Check the license (Iowa 3769, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Derek L. Duncan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 3769 IA
05-31486 KS
Self-reported in NPPES; status is on the state search - Practice location
- 1351 W Main St, Lake City, IA 51449
- Phone
- (712) 464-7907
- Enumerated
- Aug 30, 2006
- Record last updated
- Aug 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 200358810C KS
- Medicare enrollment
- Enrolled (PECOS I20070912000528); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1351 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danniele Anderson, PA-CPhysician Assistant1659652568
- Stephanie Bellcock, ARNPFamily Nurse Practitioner1790073740
- Katelyn Brown, PA-CPhysician Assistant1891452884
- Ronald Cheney, D.O.Surgery Physician1225089535
- Nancy Flink, PA-CMedical Physician Assistant1962487082
- Megan Grodahl, P.A.Physician Assistant1801264825
Verify Derek L. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 3769Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,781 Medicare Part D claims for 483 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 563 claims were for opioids.
Most prescribed
- Atorvastatin Calcium591 claims
- Levothyroxine Sodium470 claims
- Lisinopril442 claims
- Amlodipine Besylate432 claims
- Tramadol Hcl323 claims
- Omeprazole319 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.
One hospital affiliation
- Stewart Memorial Community HospitalLake City, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Derek L. Duncan among 2,336 family medicine physician records in Iowa
Derek L. Duncan, DO is one of 2,336 family medicine physician records with a practice address in Iowa. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2004 · median 2006 among the 1,367 with a school on file
- Record last updated2007 · 61% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Lake City
They are 4 of the 54 NPPES records with a practice address in Lake City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Lake City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Susan Hornback, DOLake City, IA 514491871554857
- Julia Richardson, MDLake City, IA 514491649895517
- Margaret Vitiritto Khan, DOLake City, IA 514491801109145
- Elsie Verbik, MDLake View, IA 514501134104250
- Sharon Vande Vegte, DOIda Grove, IA 514451548203524
- Albert Veltri, MDIda Grove, IA 514451194811307
- Douglas McLaws, DOManning, IA 514551922069681
- Philip Myer, D.O.Manning, IA 514551710973391
Common questions
What is Derek L. Duncan, DO's NPI number?
Derek L. Duncan, DO's National Provider Identifier (NPI) is 1487764957, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek L. Duncan, DO located?
The NPPES record lists a practice address at 1351 W Main St, Lake City, IA, 51449. Phone: (712) 464-7907. Providers update this record themselves, so call before visiting.
How can I verify Derek L. Duncan, DO's license?
NPPES lists Iowa license number 3769, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek L. Duncan, DO prescribe under Medicare Part D?
In 2024, Derek L. Duncan, DO had 10,781 Medicare Part D claims for 483 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.