We are pleased to announce that a new agreement has been reached with Aetna. This allows Valley to continue to be an in-network provider for Aetna-insured patients and will cover services provided since previous contracts ended June 1, 2025. We understand how important it is for our patients to retain in-network access to the doctors, programs, and expert care teams they know and trust. Thank you for your patience throughout this process.
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Provider Bio
Dr. Ko, a board-certified ophthalmologist, received his medical degree from the New York University School of Medicine after graduating Magna Cum Laude from Columbia University in New York City. After Ophthalmology Residency at Temple University Hospital in Philadelphia, he completed his two-year fellowship in vitreo-retinal diseases and surgery in one of the top clinical programs in the nation: The Retina Group of Washington and The Georgetown University Hospital/Washington Hospital Center combined program, in Washington, DC. Before opening his clinic in Renton, he practiced in Seattle and Bellevue.
Dr. Ko specializes in vitreo-retinal diseases and surgery such as macular degeneration, diabetic retinopathy and retinal detachment. He enjoys outdoor activities as well as gourmet dining with his wife. He is fluent in Chinese.
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Scheduling & Locations
This provider is an affiliate and not a Valley Medical Group practitioner.
Retina Institute of Washington
Call 425.228.6262
Fax 425.228.6260