Greggory Gahn, M.D.
Retina Specialist
Greggory Gahn, M.D.
Retina Specialist
Dr. Greggory M. Gahn was born in Tucson, AZ and raised in Las Vegas, NV. He completed his undergraduate degree at the University of Arizona, graduating summa cum laude. Dr. Gahn received his medical degree from the University of Nevada-Reno School of Medicine, where he developed a passion for ophthalmology. During medical school, he was elected to the Alpha Omega Alpha Honor Medical Society for his academic excellence.
Upon completion of his medical school training, Dr. Gahn completed his intern year in internal medicine at the University of Arizona. He transitioned to ophthalmology at the University of Arizona, where he served as chief resident and received multiple awards for academic excellence. Dr. Gahn completed his fellowship training in vitreoretinal surgery at Sierra Eye Associates in Reno, NV. He is excited to return to Tucson, where he can serve the residents of Southern Arizona. In his free time, Dr. Gahn enjoys spending time with his family, hiking, and is an avid UofA sports fan.
- Undergraduate Degree - University of Arizona, summa cum laude
- M.D. - University of Nevada-Reno School of Medicine
- Internship - Internal Medicine, University of Arizona
- Residency - Ophthalmology, University of Arizona (Chief Resident)
- Fellowship - Vitreoretinal Surgery, Sierra Eye Associates, Reno, NV
- 2023 University of Arizona Ophthalmology Academic Excellence Award
- 2023 Chief Resident in Ophthalmology
- 2022 University of Arizona Ophthalmic Knowledge Honor Roll
- 2021 University of Arizona Ophthalmic Knowledge Honor Roll
- 2017 Alpha Omega Alpha Grant Recipient
- 2015-2019 University of Nevada, Reno School of Medicine Dean Merit Award
- Alpha Omega Alpha Honor Medical Society
- Board Certified through the American Board of Ophthalmology
- Member of the American Academy of Ophthalmology (AAO)
- Member of American Society of Retina Specialists (ASRS)
- Member of Association for Research in Vision and Ophthalmology (ARVO)
- Macular Degeneration
- Diabetic Retinopathy
- Retinal Detachment
- Retinal Vascular Occlusions
- Diabetic Macular Edema