KARL A DUNCAN M.D.
NPI 1265465017
Internal Medicine - Interventional Cardiology in Lake Charles, LA
About Karl A Duncan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL A DUNCAN M.D. (NPI 1265465017) is an individual interventional cardiology provider in Lake Charles, Louisiana, licensed in Louisiana (MD.204124) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with West Calcasieu Cameron Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1999).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karl A Duncan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Karl Duncan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Charles, LA 70601
- Reassigned Medicare billing, Louisiana enrollment
- 16 clinicians in this Medicare group
Lake Charles, LA 70601
- Reassigned Medicare billing, Louisiana enrollment
- 20 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Louisiana enrollment
- 169 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 28
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
West Calcasieu Cameron Hospital
Acute Care Hospitals · Sulphur, LABeauregard Memorial Hospital
Acute Care Hospitals · Deridder, LALake Charles Memorial Hospital
Acute Care Hospitals · Lake Charles, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKE CHARLES, LA 70601
LAKE CHARLES, LA 70601
LAKE CHARLES, LA 70601
LAKE CHARLES, LA 70601
LAKE CHARLES, LA 70601
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karl Duncan's NPI number?
The NPI number for Karl Duncan is 1265465017. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Karl Duncan located?
Karl Duncan practices at 1717 Oak Park Blvd Fl 2, Lake Charles, LA 70601. The listed phone number is (337) 494-3278.
What is Karl Duncan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Karl Duncan enrolled in Medicare?
Yes. Karl Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karl Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Duncan reassigns Medicare benefits to 3 organizations: Lake Charles Memorial Heart And Vascular Center (Lake Charles, LA), Southwest Louisiana Hospital Association Inc (Lake Charles, LA) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karl Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Duncan accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 1 other insurer list Karl Duncan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Karl Duncan affiliated with any hospitals?
According to CMS data, Karl Duncan is affiliated with West Calcasieu Cameron Hospital, Beauregard Memorial Hospital and Lake Charles Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Karl Duncan was last updated on April 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.