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).
Learn more about Dr. Mark Avigan:
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Specialties & Research
Dr. Mark Avigan, MD is board certified in Internal Medicine and Gastroenterology.
- He has special expertise in 5 areas:
- Acid Reflux Disease (Gastroesophageal Reflux / GERD)
- Hepatitis C
- Irritable Bowel Syndrome (IBS)
- Ulcerative Colitis
Education & Awards
Dr. Avigan graduated from McGill University Faculty Of Medicine, Montreal.
Dr. Avigan has 1 hospital affiliations:
- Georgetown University Hospital
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- Additional Information
- Dr. Mark Isaac Avigan MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Gastroenterology.
- Where does Dr. Mark I. Avigan practice?
- Dr. Mark Avigan has 1 office location.
Dr. Mark Avigan practices Internal Medicine and Gastroenterology near Silver Spring, MD.
See Silver Spring Internists and Silver Spring Gastroenterologists.