Doctor profile · Federal record

Dr. Karl Duncan, M.D.

Interventional Cardiology Physician (CMS: Internal Medicine) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Interventional Cardiology Physician · Nuclear Cardiology Physician · Nuclear Cardiology Physician · Lake Charles, LA

  • NPI 1265465017
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1717 Oak Park Blvd Fl 2
Lake Charles, LA 706018990
(337) 494-3278
fax (337) 494-3240
Mailing address
Po Box 122152 Dept 2152
Dallas, TX 753120001

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 3, 2023
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State licenses (5)
Louisiana #MD.204124 · Georgia #58167 · New York #326121 · Mississippi #27186 · Tennessee #45842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265465017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,258
Distinct HCPCS
10
Medicare allowed
$134,745
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 797 645 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 256 250 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 247 155 $121
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 134 119 $14
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 105 55 $116
J2785 Injection, regadenoson, 0.1 mg 76 19 $51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 64 62 $169
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 54 54 $13
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $157
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 52 52 $181

In context: peer comparison

Among 6 peers in this city , average services per provider: 155. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,161
Transactions
42
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 1 $425.70
Amgen Inc. 9 $147.36
ABIOMED 6 $116.75
E.R. Squibb & Sons, L.L.C. 7 $108.33
Novartis Pharmaceuticals Corporation 6 $106.99
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 4 $64.99
AstraZeneca Pharmaceuticals LP 3 $60.59
Boston Scientific Corporation 2 $42.24
PFIZER INC. 1 $38.67
Itamar Medical Inc 1 $20.58
Esperion Therapeutics, Inc. 1 $15.09
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $13.42

By nature of payment

Food and Beverage
$735
Travel and Lodging
$426

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,393
Patients
697
Total drug cost
$160,328
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 322 103 $4,179
Atorvastatin Calcium Generic 267 82 $3,170
Furosemide Generic 223 59 $1,096
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 218 72 $2,584
Clopidogrel (Clopidogrel Bisulfate) Brand 215 56 $2,452
Eliquis (Apixaban) Brand 178 48 $137,449
Carvedilol Generic 167 48 $1,387
Potassium Chloride Generic 167 41 $2,470
Losartan Potassium Generic 122 34 $1,344
Metoprolol Tartrate Generic 120 37 $702

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Duncan's medical specialty?
Dr. Karl Duncan practices Interventional Cardiology Physician in Lake Charles, LA.
Where does Dr. Karl Duncan practice?
Dr. Karl Duncan practices at 1717 Oak Park Blvd Fl 2, Lake Charles, LA 706018990. Office phone: 3374943278.
What is Dr. Karl Duncan's NPI?
Dr. Karl Duncan's National Provider Identifier (NPI) is 1265465017, issued by NPPES.
Does Dr. Karl Duncan accept Medicare assignment?
Yes. Dr. Karl Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Duncan commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.