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Sergiu Marcus, MD 鈥 Vitreoretinal Surgeon in Brentwood, Babylon & Amityville, NY

Sergiu Marcus, MD

Accepting New Patients

Sergiu Marcus, MD

Board-Certified Ophthalmologist & Retinal Surgeon on Long Island, New York

Dr. Sergiu Marcus is a board-certified ophthalmologist and fellowship-trained vitreoretinal surgeon specializing in advanced medical and surgical care of retinal and vitreous diseases. He provides expert retina care at 麻豆高清locations in Brentwood, Babylon, and Amityville, serving patients across Suffolk County and Long Island.

Dr. Marcus focuses on the diagnosis and surgical treatment of complex retinal conditions affecting the back of the eye, including retinal detachments, vitreous disorders, macular disease, and diabetic eye conditions. His expertise in vitreoretinal surgery allows him to treat both routine and highly complex cases requiring precision microsurgical techniques.

With specialized training in vitreoretinal disease and surgery, Dr. Marcus manages conditions such as macular degeneration, diabetic retinopathy, vitreous hemorrhage, macular holes, and epiretinal membranes. He utilizes advanced imaging and surgical technology to deliver targeted, evidence-based treatment designed to preserve and restore vision.

Dr. Marcus is committed to early detection and timely intervention, helping patients prevent progression of sight-threatening retinal diseases. He works closely with referring providers and the broader ophthalmology team to ensure coordinated, comprehensive care for each patient.

Practicing across Brentwood, Babylon, and Amityville, Dr. Marcus provides accessible, high-level retina and vitreoretinal surgical care throughout Suffolk County and Long Island.

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Credentials: More About Sergiu Marcus, MD

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Education & Experience

Education:

  • Cornell University Medical College
  • Rockefeller University Biophysics and Visual Neurophysiology Laboratory, PhD

Residency:

  • Mount Sinai School of Medicine, Ophthalmology

Internships:

  • Mount Sinai School of Medicine, Internal Medicine

Years of Experience:

  • Began Practicing in 1987
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Professional Background

Memberships:

  • Association for Research in Vision and Ophthalmology
  • American Medical Association
  • New York Ophthalmological Society
  • Wilmer Residents Association
  • American Academy of Ophthalmology

Fellowship:

  • Wilmer Eye Institute Johns Hopkins Hospital, Retina

Other Professional Positions:

  • Assistant Clinical Professor of Ophthalmology, Mt. Sinai School of Medicine & Hospital

Patient Reviews

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