Meet Our Retina Specialists

Virginia Retina Center’s team of fellowship-trained ophthalmologists is dedicated to providing exceptional care for retinal, macular, and vitreous diseases. Each of our doctors is certified by the American Board of Ophthalmology and brings years of specialized experience in diagnosing and treating complex retinal conditions. Whether you’re visiting us in Leesburg, Warrenton, or Culpeper, you’ll receive expert care delivered with compassion and clarity.

Sam Mansour, MD

Dr. Mansour is a board-certified ophthalmologist with subspecialty training in diseases of the retina and vitreous. With over 25 years of experience, he is known for his precision, innovation, and commitment to patient education.

Marena Patronas, MD

Dr. Patronas specializes in the medical and surgical treatment of retinal disorders. She is deeply focused on empowering patients through clear communication and advanced care solutions.

Alessa Crossan, MD

Dr. Crossan provides personalized care for a wide range of retinal conditions. She is passionate about preventative eye health and improving the quality of life for every patient.

Alexandre Gauthier, MD

Dr. Gauthier brings extensive training in advanced retinal procedures and takes pride in offering thoughtful, individualized care backed by the latest medical research.

Malkit "Mona" Singh, MD

Dr. Singh is committed to ensuring patients feel informed and confident in their care. She specializes in the treatment of age-related macular degeneration and diabetic retinopathy.

Meet Our Support Team

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