John R. Wittpenn, MD

Cornea, Laser Cataract & Refractive Surgeon

John R. Wittpenn, MD


  • Fellowship — Massachusetts Eye and Ear Infirmary
  • Residency — Wilmer Eye Institute at Johns Hopkins Hospital
  • Medical School — John Hopkins School of Medicine
  • Undergraduate — Amherst College

Professional Activities

  • American Academy of Ophthalmology
  • Suffolk County Ophthalmological Society


John Wittpenn, MD, is a board-certified ophthalmologist specializing in anterior segment disease. He has vast experience in refractive, corneal and cataract surgery. Dr. Wittpenn graduated summa cum laude from Amherst College with a bachelor’s degree in biophysics. He received his medical degree from the John Hopkins School of Medicine. After completing his ophthalmic residency at the Wilmer Eye Institute at Johns Hopkins Hospital, Dr. Wittpenn served as a corneal clinical research fellow at Massachusetts Eye and Ear Infirmary. He was appointed director of ophthalmic residency training at the University of Southern California, Los Angeles County Medical Center. In 1988, Dr. Wittpenn joined the faculty at the State University of New York at Stony Brook as director of cornea, cataract and anterior segment surgery. He currently remains a clinical associate professor of ophthalmology at the State University of New York at Stony Brook and is active in their ophthalmic residency-training program.

Dr. Wittpenn remains involved in clinical research and holds three patents for ophthalmic products licensed worldwide. He has lectured both nationally and internationally on advancements in his field.

Dr. Wittpenn offers patient appointments in the East Setauket and Port Jefferson offices of OCLI.

Giving me back 20/20 vision has been life changing. I see the world as it was meant to be seen.
Wonderful place. So professional. Latest technology. Great doctors. I trust them with my most precious commodity—my eyes.
Great feeling overall at this place. Everyone is just amazingly helpful and nice.
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