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. Michael Duffy:
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The overall average patient rating of Dr. Michael Duffy is Good.
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Specialties & Research
Dr. Michael Duffy, 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. Duffy graduated from Louisiana State University at New Orleans. He has 5 awards.
Dr. Duffy has 6 hospital affiliations:
- Beaumont Hospital, Royal Oak
- Beaumont Hospital, Grosse Pointe
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- Additional Information
- Dr. Michael Charles Duffy MD is a male Internist, has 37 years of experience and practices in Internal Medicine and Gastroenterology.
- Where does Dr. Michael C. Duffy practice?
- Dr. Michael Duffy has 1 office location.
Dr. Michael Duffy practices Internal Medicine and Gastroenterology near Troy, MI.
See Troy Internists and Troy Gastroenterologists.