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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
  •  
(2)
Patient comments (0)

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

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 11 hospital affiliations:

  • Aurora Baycare Medical Center 
  • Aurora Medical Center of Washington County 

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

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Additional Information
Dr. Mark Thomas 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 4 office locations.
Dr. Mark Duffy practices Ophthalmology near Green Bay, WI.
Additional practice locations include: Oshkosh, WI.
See Green Bay Ophthalmologists.