Doctor profile · Federal record

Dr. George Duncan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Decatur, IL

  • NPI 1407871882
  • Accepts Medicare
  • MIPS 76.9 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1770 E Lake Shore Dr, Suite 307
Decatur, IL 625213832
(217) 428-1500
fax (217) 428-1512

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 13, 2010
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036088836
Medicaid
IL #036088836

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407871882. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124
Distinct HCPCS
3
Medicare allowed
$16,761
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 63 59 $185
99284 Emergency department visit with moderate level of medical decision making 39 38 $127
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 22 21 $8

In context: peer comparison

Among 14 peers in Decatur Internal Medicine Physician, average services per provider: 160. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Aurinia Pharma U.S., INC. 3 $70.53

By nature of payment

Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$67
Drug Type Claims Patients Total cost
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $67

Frequently asked questions

Auto-generated from federal data
What is Dr. George Duncan's medical specialty?
Dr. George Duncan practices Internal Medicine Physician in Decatur, IL.
Where does Dr. George Duncan practice?
Dr. George Duncan practices at 1770 E Lake Shore Dr, Decatur, IL 625213832. Office phone: 2174281500.
What is Dr. George Duncan's NPI?
Dr. George Duncan's National Provider Identifier (NPI) is 1407871882, issued by NPPES.
Does Dr. George Duncan accept Medicare assignment?
Yes. Dr. George Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Duncan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.