Sergiu Marcus, MD, PhD

Dr. Sergiu Marcus is an ophthalmologist with 45 years of experience helping patients with eye conditions and vision care. He earned his medical degree from Jawaharlal Institute of Post Graduate Medicine Research at Pondicherry University and completed his ophthalmology residency training at both Winthrop-University Hospital and Johns Hopkins Hospital. Dr. Marcus also trained at Mt Sinai Medical Center in both ophthalmology and internal medicine. He holds board certification in ophthalmology from the American Board of Ophthalmology and speaks English.

Dr. Marcus practices at Good Samaritan University Hospital and sees patients at SightMD locations in Brentwood, Amityville, and Babylon, New York. He specializes in treating cataracts and diabetic eye conditions, including diabetic retinopathy. His expertise includes advanced retinal imaging and optical coherence tomography to diagnose eye problems, as well as laser photocoagulation treatments for diabetic retinopathy. Patients have given …him an average rating of 4.3 out of 5 stars.