- Residency — New York Eye and Ear Infirmary
- Medical School — State University of New York Downstate Medical Center
- American Academy of Ophthalmology
- American Society of Cataract and Refractive Surgery
- New York State Ophthalmology Society
- New York State Medical Society
- Long Island Ophthalmological Society
- Nassau County Medical Society
- Nassau Surgical Society
David Nelson, MD, is a board-certified ophthalmologist specializing in cataract surgery and comprehensive ophthalmology including glaucoma treatment. He received his medical degree with honors from the State University of New York, Downstate Medical Center in Brooklyn and completed his residency in ophthalmology at New York Eye and Ear Infirmary.
Dr. Nelson was the chairman of the department of ophthalmology at Mercy Medical Center from 1995 to 1999. He has served on the faculty at New York Eye and Ear Infirmary and is a past president of both the Long Island Ophthalmological Society and the Nassau Academy of Medicine Section of Ophthalmology. Dr. Nelson is a fellow of the American Academy of Ophthalmology and the American College of Surgeons and is a member of the American Society of Cataract and Refractive Surgery. In addition, he has lectured and published extensively on cataract surgery, having written two chapters in cataract textbooks.
Dr. Nelson is a member of several professional societies, including the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgery, New York State Ophthalmology Society, New York State Medical Society, Long Island Ophthalmological Society, Nassau County Medical Society and the Nassau Surgical Society.
Dr. Nelson was a founding partner at Ophthalmic Consultants of Long Island, OCLI, an eye care group consisting of over 30 eye doctors and surgeons representing a broad spectrum of specialties in ophthalmology and optometry, with 14 locations throughout Long Island.