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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

5.0
  •  
(4)
Patient comments (0)

The overall average patient rating of Dr. Mark Duffy is Excellent. Dr. Duffy has been reviewed by 4 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
  •  
Promptness 4.0
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Courteous Staff 5.0
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Accurate Diagnosis 5.0
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Bedside Manner 5.0
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Spends Time with Me 5.0
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Follows Up After Visit 5.0
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Specialties & Research

Dr. Mark Duffy, MD, PHD is board certified in Ophthalmology.

  • He has special expertise in 5 areas:
  • Eye Surgery (Ophthalmologic Surgical Procedures)
  • Eyelid Cancer
  • Eyelid surgery (Blepharoplasty)
  • Plastic Surgery (Cosmetic & Reconstructive Surgery)
  • Wounds and Injuries

Education & Awards

Dr. Duffy graduated from University of Illinois at Chicago.


Affiliations

Dr. Duffy has 18 hospital affiliations:

  • St. Mary's Hospital Medical Center-Madison 
  • Aurora Sinai Medical Center 

> > > > Dr. Mark Duffy, MD, PHD

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Additional Information
Dr. Mark T Duffy MD and PHD is a male Ophthalmologist, has 19 years of experience and practices in Ophthalmology.
Where does Dr. Mark T. Duffy practice?
Dr. Mark Duffy has 14 office locations.
Dr. Mark Duffy practices Ophthalmology near Green Bay, WI.
Additional practice locations include: Oshkosh, WI and Sturgeon Bay, WI.
See Green Bay Ophthalmologists.