Mark DuncanM.D.
Mark Duncan, M.D. is a General Surgery provider in Baltimore, MD, as of July 2026.
- NPI1225079593
- Registered2006
- Class of1987
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Mark Duncan at a glance
- Provider
- Mark Duncan
- Credential
- M.D.
- Specialty
- General Surgery
- Procedures
- General Surgery CPT codes
- Location
- Baltimore, MD
- Medical school
- Mayo Medical School
- Graduated
- 1987
- NPI registered
- 2006
- NPI
- 1225079593
- 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 Mark Duncan practice?
Mark Duncan, M.D. is based in Baltimore, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Duncan's NPI number?
Mark Duncan's National Provider Identifier (NPI) is 1225079593, registered in 2006. Specialty on record: General Surgery; credential M.D.
Where did Mark Duncan go to medical school?
Mark Duncan, M.D. attended Mayo Medical School, graduating in 1987.
How many General Surgery providers in Maryland work at ambulatory surgery centers?
101 General Surgery surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mark Duncan among them. The Maryland General Surgery directory lists each one by city with credential, NPI, and center affiliations.
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