Browse Health
33 years of experience
Accepting new patients
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

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 2 awards.

Bridges to Excellence Recognition
Diabetes Care Recognition (2013 - 2015)
Level II
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

Similar doctors nearby

Dr. Zhijie Zhou

Internal Medicine
Oshkosh, WI

Dr. Alnoor Abdulla

Internal Medicine
36 years experience
Oshkosh, WI

Dr. William Weber

Internal Medicine
Oshkosh, WI

Dr. Ammar Alzoubi

Internal Medicine
21 years experience
Oshkosh, WI

Dr. Richard Sturm

Internal Medicine
33 years experience
Oshkosh, WI

Dr. Ifueko Okundaye

Internal Medicine
24 years experience
Oshkosh, WI
Search All Similar Doctors
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 9 office locations.
Dr. Michael Duffy practices Internal Medicine near Oshkosh, WI.
Additional practice locations include: Winneconne, WI and North Fond Du Lac, WI.
See Oshkosh Internists.