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Edit this profileAt a glance
- 1717 Oak Park Blvd Fl 2, Lake Charles, LA 70601
About Dr. Duncan
Karl A. Duncan, M.D. practices internal medicine in Lake Charles, LA. Karl is a 1999 graduate of Louisiana State University School of Medicine in New Orleans. Karl is also listed as specializing in cardiovascular disease and interventional cardiology. Medicare claims data shows Karl provided 2,847 services to 2,252 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. The provider's National Provider Identifier (NPI) is 1265465017.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (337) 494-3278
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1717 OAK PARK BLVD FL 2
Lake Charles, LA 70601
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cancer Prevention
Cancer risk
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Addiction & habits
Cancer screening
Cancer Screening
Checkups & exams
Chronic illness
Diagnostics & screening
Environmental health
Fitness & body composition
Heart & Circulation
Heart & circulation
Heart health
Hospital-based procedures
Imaging referral
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Lungs & Breathing
Metabolic & Weight
Metabolic health
Occupational health
Occupational Health
Office Procedures
Preventive and evaluation
- Preoperative medical clearance
- Medication management
- Post-hospital transitional care
Preventive imaging
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
- Blood pressure screening
- Cancer screening and prevention planning
- Diabetes and prediabetes screening
- EKG
- Spirometry
Screenings & Diagnostics
Travel Health
Travel medicine
Wellness
Wellness & Screening
Workplace health
Skin growths
Sleep
Most searched procedures
Bones & Joints
Brain and nerves
Digestive
Exams & Consultations
Lab tests
Minor procedures
Office procedures
Pain management
Preventive & Routine Care
Sexual health
Procedures Most Often Billed to Medicare
2,847 services · 2,252 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
35 | As often as other peers in Internal Medicine |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
25 | As often as other peers in Internal Medicine |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
20 | As often as other peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
1,071 | More often than most peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
286 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
226 | As often as other peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
110 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
56 | More often than most peers in Internal Medicine |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
34 | As often as other peers in Internal Medicine |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
30 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 4 groups
Other internists in Lake Charles 7
Same specialty, same city.
Trained at Louisiana State University School of Medicine in New Orleans 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Louisiana State University School of Medicine in New Orleans 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasonic guidance for blood vessel access 1
Providers in LA who bill this service to Medicare most often.
Common questions
What does Karl A. Duncan specialize in?
Karl A. Duncan is an internist in Lake Charles, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Karl A. Duncan located?
Karl A. Duncan is listed at 1717 Oak Park Blvd Fl 2, Lake Charles, LA 70601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Karl A. Duncan's phone number?
The number on file is (337) 494-3278. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Karl A. Duncan?
Karl A. Duncan's National Provider Identifier is 1265465017. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Karl A. Duncan train?
Karl A. Duncan attended Louisiana State University School of Medicine in New Orleans, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Karl A. Duncan have?
Karl A. Duncan has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Karl A. Duncan do most often?
According to Medicare billing data, Karl A. Duncan performs imaging including ultrasonic guidance for blood vessel access and nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Karl A. Duncan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karl A. Duncan. If this is you, claiming it is free.
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