Doctor profile · Federal record

Dr. Derek Duncan, DO

Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Family Medicine Physician · Lake City, IA

  • NPI 1487764957
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1351 W Main St
Lake City, IA 514491585
(712) 464-7907

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 10, 2007
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Iowa #3769 · Kansas #05-31486
Medicaid
KS #200358810C

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487764957. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
539
Distinct HCPCS
5
Medicare allowed
$45,411
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 326 108 $74
99239 Hospital discharge day management, more than 30 minutes 87 68 $107
99238 Hospital discharge day management, 30 minutes or less 77 70 $75
45380 Biopsy of large bowel using a flexible endoscope 35 35 $130
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $121

In context: peer comparison

Among 1 peers in this city , average services per provider: 107. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,545
Patients
957
Total drug cost
$47,725
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 544 93 $5,243
Atorvastatin Calcium Generic 531 116 $6,636
Lisinopril Generic 423 90 $3,400
Amlodipine Besylate Generic 419 91 $2,545
Omeprazole Generic 382 71 $3,796
Gabapentin Generic 275 54 $3,489
Furosemide Generic 252 63 $1,202
Losartan Potassium Generic 244 50 $2,769
Simvastatin Generic 236 49 $1,900
Tamsulosin Hcl Generic 231 46 $3,795

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Duncan's medical specialty?
Dr. Derek Duncan practices Family Medicine Physician in Lake City, IA.
Where does Dr. Derek Duncan practice?
Dr. Derek Duncan practices at 1351 W Main St, Lake City, IA 514491585. Office phone: 7124647907.
What is Dr. Derek Duncan's NPI?
Dr. Derek Duncan's National Provider Identifier (NPI) is 1487764957, issued by NPPES.
Does Dr. Derek Duncan accept Medicare assignment?
Yes. Dr. Derek Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Duncan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.