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500 West Main Street
601 Suffolk Avenue
1500 Route 112
Port Jefferson Station,
Year began practicing:
Cornell University Medical College
Rockefeller University Biophysics and Visual Neurophysiology Laboratory, PhD
Mount Sinai School of Medicine, Ophthalmology
Wilmer Eye Institute Johns Hopkins Hospital, Retina
Mount Sinai School of Medicine, Internal Medicine
Sergiu Marcus, MD, PhD is a board certified ophthalmologist specializing in vitreo-retinal disorders of the eye. Dr. Marcus has always believed in delivering the highest quality of care to the community in which he practices. He provides the most up to date testing, diagnosis, and treatment to all of his patients at every visit.