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License & Identifications

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).

Patient Reviews

4.0
  •  
(14)
Patient comments (9)

The overall average patient rating of Dr. Michael Duffy is Good. Dr. Duffy has been reviewed by 14 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
  •  
Promptness 3.7
  •  
Courteous Staff 4.0
  •  
Accurate Diagnosis 3.3
  •  
Bedside Manner 3.5
  •  
Spends Time with Me 3.4
  •  
Follows Up After Visit 3.4
  •  

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)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Duffy graduated from Louisiana State University at New Orleans. He has 9 awards.

Awards  
Hour Detroit Magazine's Top Docs (2013)
Hour Detroit Magazine's Top Docs (2012)
Best Doctors in America (2014)
Hour Detroit Magazine's Top Docs (2010)
Best Doctors in America (2013)
Hour Detroit Magazine's Top Docs (2011)
Detroit Hour Magazine's Top Docs (2010)
Hour Detroit Magazine's Top Docs (2010), Hour Detroit Magazine's Top Docs (2011)
Castle Connolly's Top Doctors™ (2012 - 2013)

Affiliations

Dr. Duffy has 6 hospital affiliations:

  • Beaumont Hospital, Royal Oak 
  • Beaumont Hospital, Grosse Pointe 

> > > > Dr. Michael Duffy, MD

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Additional Information
Dr. Michael C 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 9 office locations.
Dr. Michael Duffy practices Internal Medicine and Gastroenterology near Troy, MI.
Additional practice locations include: Farmington Hills, MI and Warren, MI.
See Troy Internists and Troy Gastroenterologists.