

Ophthalmology
Mark Duffy, MD
Clinical Assistant Professor, Oculoplastic Surgery
Green Bay, WI
Dr. Mark Duffy, MD, PhD, is a fellowship-trained oculoplastic surgeon specializing in oculo-plastic and orbital reconstructive surgery. He treats conditions including ophthalmic trauma, orbital tumors and fractures, eyelid cancer, ptosis, ectropion, entropion, lacrimal obstruction, and facial paralysis. His practice encompasses both reconstructive procedures such as Mohs reconstruction, ptosis repair, entropion/ectropion repair, and lacrimal repair, as well as cosmetic interventions like blephar
30+
Years in Practice
Credentials
Board Certifications
- Ophthalmology (American Board of Ophthalmology)
Education & Training
- Medical School: University of Illinois College of Medicine (MD, 1992)
- Residency: Advocate Illinois Masonic Medical Center (Ophthalmology, 1993)
- Fellowship: Manhattan Eye, Ear, and Throat Hospital (Oculoplastics, Unknown)
- PhD: University of Illinois (Neuroscience, 1991)
Peer Recognition
- American Academy of Ophthalmology — Fellow (FAAO)
2026
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Oculoplastic Surgery
Conditions & Treatments
Eyelid & Orbital SurgeryOculoplastic Surgery
Practice Details
Hospital Affiliations
- BayCare Clinic Eye Specialists
- Aurora Health
- Aurora BayCare Medical Center
Languages
English
Experience
30+ years in practice