A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Mark Duncan is Excellent.
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Specialties & Research
Dr. Mark Duncan, MD is board certified in Surgery.
He has special expertise in 12 Areas, including Abdominal Surgery, Abdominal Surgery Colon Cancer Colon Tumors Esophageal Cancer Gallbladder Cancer Gallbladder Tumors Gastrointestinal Cancers Gastrointestinal Tumors General Surgery Intestinal Cancer Intestinal Tumors Laparoscopic and Minimally Invasive Surgery Pancreatic Cancer Sarcoma Stomach Cancer Surgery, and Adrenal Gland Cancer.9 more special expertise areas
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Education & Awards
Dr. Duncan graduated from Mayo Medical School, Rochester. He has 3 awards.
Dr. Duncan has 5 hospital affiliations:
- Johns Hopkins Bayview Medical Center
- The Johns Hopkins Hospital
Accepted Insurance Plans
Dr. Duncan accepts these health insurances in at least one office:
- AMERIGROUP - 1 plan
- Priority Partners - 2 plans
- United Healthcare - 1 plan
- CareFirst - 2 plans
- Great-West Healthcare - 2 plans
- Geisinger Health Plan - 4 plans
- Humana - 2 plans
- Cigna - 2 plans
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