Retina Specialist
Brian T. Chan-Kai, M.D.
Retina Specialist, Vitreoretinal Surgery
- Macular Degeneration
- Retina
Northwest Portland, Oregon City +3 more
All doctors
Retina Specialist
Jonathan Yoken, M.D.
Diseases and Surgery of the Retina and Vitreous
Board Certified, American Board of Ophthalmology
- Locations: Northwest Portland + 4 more
- Expertise: Retina + 1 more
- Fellowship, Casey Eye Institute
Recognition
Awards & Honors
Dr. Jonathan Yoken was named one of Portland’s Top Doctors in 2016 and 2023 by Portland Monthly Magazine.
Where & How Dr. Jonathan Yoken Can Help
Expertise & Locations
Areas of Expertise
Locations
- Northwest Portland 1955 NW Northrup St, Portland, OR 97209 Call Northwest Portland: (503) 227-2020
- Oregon City 1306 Division St, Oregon City, OR 97045 Call Oregon City: (503) 656-4221
- Peterkort 9555 SW Barnes Rd, Suite 100, Portland, OR 97225 Call Peterkort: (503) 227-2020
- Southeast Portland 10819 SE Stark St, Portland, OR 97216 Call Southeast Portland: (503) 255-2291
- Tigard 15298 SW Royalty Parkway, Tigard, OR 97224 Call Tigard: (503) 227-2020
About Dr. Yoken
Meet Dr. Yoken
Dr. Yoken has broad experience in all areas of medical and surgical retinal disease, but he has a particular interest in macular degeneration.
Before joining Eyehealth Northwest, Dr. Yoken served as an investigator in many landmark clinical trials of new treatments for macular degeneration, diabetic retinopathy and retinal vascular occlusions.
Dr. Yoken has broad experience in all areas of medical and surgical retinal disease. This includes the repair of complex retinal detachments, surgical management of diabetic eye disease, macular hole and pucker surgery, repair of intra-ocular lens complications as well as complications from other eye surgeries and traumatic injuries. Dr. Yoken also has extensive experience in using the newest medical treatments for macular degeneration, diabetic retinopathy and retinal vascular occlusions. His research has been published in numerous journals, including Ophthalmology, Retina, Archives of Ophthalmology, Ophthalmic Surgery and Lasers and Investigative Ophthalmology and Visual Science. He has also authored a chapter on the treatment of macular degeneration. Dr. Yoken has presented his work at many local and national meetings. He is Board Certified and an active member of the American Academy of Ophthalmology, The Association for Research in Vision and Ophthalmology, The American Society of Retinal Specialists and the Oregon Academy of Ophthalmology.
When not working, Dr. Yoken enjoys hiking, is an avid skier and loves spending time with his wife and three daughters.
Education & Training
Background & Training
Dr. Yoken graduated from Washington University in St. Louis with a B.A. degree in Biology. He subsequently attended St. Louis University School of Medicine and graduated Magna Cum Laude with a Distinction in Medical Research award. He was also elected to the Alpha Omega Alpha medical student honor society. After earning his medical degree, Dr. Yoken completed his internship at The University of Pennsylvania Presbyterian Medical Center. He then went on to complete his ophthalmology residency at The University of Pennsylvania Scheie Eye Institute, where he also served as chief resident. Dr. Yoken then served as a fellow in vitreoretinal surgery at Oregon Health Science University Casey Eye Institute. During fellowship, he was awarded a Heed Ophthalmic Foundation Fellowship for research as well as a Distinguished Service Award. After completing his fellowship, Dr. Yoken spent three years in private practice at the Retina Group of Florida, in Fort Lauderdale, before joining Eyehealth Northwest, where he served as an investigator in many landmark clinical trials of new treatments for macular degeneration, diabetic retinopathy and retinal vascular occlusions.
Credentials
Where Dr. Yoken Trained
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Fellow in Vitreoretinal Disease and Surgery
Casey Eye Institute, Oregon Health Sciences University (Portland, OR)
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Residency in Ophthalmology
Scheie Eye Institute, University of Pennsylvania (Philadelphia, PA)
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Transitional Internship
Presbyterian Medical Center, University of Pennsylvania Health System Philadelphia, PA
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Doctor of Medicine
St. Louis University School of Medicine St. Louis, MO
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B.A. degree in Biology
Washington University St. Louis, MO
Also Specializing in Retina
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Retina Specialist
Retina Specialist
Adam Hanif, M.D.
Diseases and Surgery of the Retina and Vitreous
- Macular Degeneration
- Retina
Glisan, Lake Oswego +2 more
Retina Specialist
Elizabeth Verner-Cole, M.D.
Diseases and Surgery of the Retina and Vitreous
- Macular Degeneration
- Retina
Northwest Portland, Peterkort +2 more
Retina Specialist
Christopher Aderman, M.D.
Retina Specialist, Vitreoretinal Surgery
- Macular Degeneration
- Retina
Gresham, Peterkort +1 more
Testimonials
What Our Patients are Saying
"Amazing service, great staff that pay attention to every detail. They really make you feel like you’re in good hands and are provided the best possible care."
July 2026
"My first visit was extremely positive. The staff from the reception through to clinicians was excellent."
July 2026
"Warm, friendly, knowledgeable and positive about possible solutions to eye issues. Awesome experience!!"
July 2026
"The whole team was present, patient, kind, and explained everything they were doing so I understood. A model for how health care experiences should be."
July 2026