Doctor profile · Federal record

Dr. Casey Duncan, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Effingham, IL

  • NPI 1487720942
  • Accepts Medicare
  • MIPS 90.0 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
905 Medical Park Dr, Department of Radiation Oncology
Effingham, IL 624012190
(217) 342-2066
fax (217) 342-2074

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 12, 2016
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Illinois #036137340
Medicaid
IL #036137340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487720942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,777
Distinct HCPCS
10
Medicare allowed
$1,466,136
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 5,350 38 $0
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 1,114 45 $328
G6011 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mev 815 66 $216
77336 Continuing radiation therapy consultation per week 429 145 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 416 219 $123
77427 Radiation treatment management, 5 treatment sessions 385 104 $186
77334 Design and construction of complex radiation treatment device 333 145 $117
36415 Insertion of needle into vein for collection of blood sample 286 150 $8
77300 Calculation of radiation therapy dose 253 92 $62
84153 Psa (prostate specific antigen) measurement, total 229 123 $18

In context: peer comparison

Among 1 peers in this city , average services per provider: 294. This provider delivers 40× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $29.40
Amneal Pharmaceuticals LLC 1 $20.42
TELA Bio, Inc. 1 $13.61

By nature of payment

Food and Beverage
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
291
Patients
91
Total drug cost
$8,612
Drug Type Claims Patients Total cost
Mometasone Furoate Generic 95 61 $2,249
Tamsulosin Hcl Generic 66 19 $1,668
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 38 11 $1,101
Gabapentin Generic 25 0 $2,065
Pentoxifylline Generic 15 0 $386
Solifenacin Succinate Generic 15 0 $469
Dexamethasone Generic 13 0 $302
Ssd (Silver Sulfadiazine) Brand 13 0 $109
Sulfasalazine Dr (Sulfasalazine) Brand 11 0 $264

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Casey Duncan's medical specialty?
Dr. Casey Duncan practices Radiation Oncology Physician in Effingham, IL.
Where does Dr. Casey Duncan practice?
Dr. Casey Duncan practices at 905 Medical Park Dr, Effingham, IL 624012190. Office phone: 2173422066.
What is Dr. Casey Duncan's NPI?
Dr. Casey Duncan's National Provider Identifier (NPI) is 1487720942, issued by NPPES.
Does Dr. Casey Duncan accept Medicare assignment?
Yes. Dr. Casey Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Casey Duncan commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mev (HCPCS G6011). Source: CMS Medicare Physician & Other Practitioners file.