Karl A. Duncan, M.D.
Interventional Cardiology Physician · Lake Charles, LA
Karl A. Duncan, M.D. is an interventional cardiology physician with a practice address in Lake Charles, Louisiana, and NPI 1265465017, issued on Jul 7, 2006. Check the license (Louisiana MD.204124, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karl A. Duncan
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- MD.204124 LA
58167 GA
27186 MS
326121 NY
45842 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1717 Oak Park Blvd FL 2, Lake Charles, LA 70601
- Phone
- (337) 494-3278
- Enumerated
- Jul 7, 2006
- Record last updated
- Apr 3, 2023
- Fax
- (337) 494-3240
- Medicare enrollment
- Enrolled (PECOS I20130412000587); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1999
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 176 in Louisiana → Look up another NPI →
Also registered at 1717 Oak Park Blvd FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Arango, D.P.M.Foot Surgery Podiatrist1447289426
- Ahmad Awan, MDCardiovascular Disease Physician1831573013
- Sarah Bardin, FNP-CFamily Nurse Practitioner1477116036
- Edward Bergen, D.O.Interventional Cardiology Physician1760454391
- Cody Dougay, APRNNurse Practitioner1104275080
- Melissa Ducotey, APRNFamily Nurse Practitioner1124755483
Verify Karl A. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.204124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,815 Medicare Part D claims for 321 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate217 claims
- Isosorbide Mononitrate Er149 claims
- Clopidogrel144 claims
- Atorvastatin Calcium141 claims
- Cilostazol94 claims
- Entresto80 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.
The MIPS final score for 2023 (Medicare payment program): 89.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,160.71
42 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lake Charles Memorial Heart And Vascular CenterLake Charles, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl A. Duncan among 176 interventional cardiology physician records in Louisiana
Karl A. Duncan, M.D. is one of 176 interventional cardiology physician records with a practice address in Louisiana. 98% 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 24% of them.
- NPI issued2006 · 24% of these records are older, 47% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1999 · median 2000 among the 160 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Louisiana
There are 176 interventional cardiology physician records in Louisiana.
All 176 in Louisiana → Every provider in Lake Charles → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Edward Bergen, D.O.Lake Charles, LA 706011760454391
- Brett Goodwin, M.D.Lake Charles, LA 706011235457870
- Jake Lebeau, MDLake Charles, LA 706011174659668
- Thomas Mulhearn, M.D.Lake Charles, LA 706011285789008
- Carriel Nipp, M.D.Lake Charles, LA 706011184165326
- Jean White, MDLake Charles, LA 706011003913070
- Hari Bogabathina, M.D.Youngsville, LA 705921083714836
- David Homan, M.D.Opelousas, LA 705701164681334
Common questions
What is Karl A. Duncan, M.D.'s NPI number?
Karl A. Duncan, M.D.'s National Provider Identifier (NPI) is 1265465017, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl A. Duncan, M.D. located?
The NPPES record lists a practice address at 1717 Oak Park Blvd FL 2, Lake Charles, LA, 70601. Phone: (337) 494-3278. Providers update this record themselves, so call before visiting.
How can I verify Karl A. Duncan, M.D.'s license?
NPPES lists Louisiana license number MD.204124, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl A. Duncan, M.D. prescribe under Medicare Part D?
In 2024, Karl A. Duncan, M.D. had 1,815 Medicare Part D claims for 321 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Karl A. Duncan, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.