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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).

Learn more about Dr. Michael Duffy:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Michael Duffy is Excellent. Dr. Duffy has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.3
Courteous Staff 5.0
Accurate Diagnosis 3.7
Bedside Manner 4.3
Spends Time with Me 4.3
Follows Up After Visit 5.0

Specialties & Research

Dr. Michael Duffy, MD is board certified in Internal Medicine.

  • He has special expertise in 2 areas:
  • Diabetes
  • Diabetes Complications

Education & Awards

Dr. Duffy graduated from University of Michigan Medical School, Ann Arbor. He has 1 awards.

NCQA Diabetes Physician Recognition Program (2013 - 2016)


Dr. Duffy has 14 hospital affiliations:

  • Aurora Sinai Medical Center 
  • Aurora West Allis Medical Center 

> > > > Dr. Michael Duffy, MD

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Additional Information
Dr. Michael A Duffy MD is a male Internist, has 33 years of experience and practices in Internal Medicine.
Where does Dr. Michael A. Duffy practice?
Dr. Michael Duffy has 1 office location.
Dr. Michael Duffy practices Internal Medicine near Oshkosh, WI.
See Oshkosh Internists.