Karl DuncanM.D.
Internal Medicine·Lake Charles, LA
Karl Duncan, M.D. is an Internal Medicine provider in Lake Charles, LA, as of July 2026.
- NPI1265465017
- Registered2006
- Class of1999
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Karl Duncan at a glance
- Provider
- Karl Duncan
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Lake Charles, LA
- Medical school
- Louisiana State University School of Medicine in New Orleans
- Graduated
- 1999
- NPI registered
- 2006
- NPI
- 1265465017
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Karl Duncan practice?
Karl Duncan, M.D. is based in Lake Charles, LA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Karl Duncan's NPI number?
Karl Duncan's National Provider Identifier (NPI) is 1265465017, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
Where did Karl Duncan go to medical school?
Karl Duncan, M.D. attended Louisiana State University School of Medicine in New Orleans, graduating in 1999.
How many Internal Medicine providers in Louisiana work at ambulatory surgery centers?
12 Internal Medicine surgeons and proceduralists in Louisiana are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Karl Duncan among them. The Louisiana Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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