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Board Certified Ophthalmologist & Surgeon in Walnut Creek, CA


Yen Cheng (Joey) Hsia, MD, is an experienced provider at Diablo Eye Associates in Walnut Creek, California. He is a native of the Bay Area and completed his medical school at the Case Western Reserve University, where he was inducted into the Alpha Omega Alpha Honor. He completed his residency at the University of California, San Francisco, and was awarded the prestigious Heed’s fellowship. He completed an additional glaucoma fellowship at the University of California, San Francisco. 

After his training, Dr. Hsia served as the assistant professor of ophthalmology at UCSF and the medical director of the UCSF Berkeley outpatient center. He is excited to be part of Diablo Eye Associates and be able to serve the patients in the East Bay and beyond. Dr. Hsia is board certified by the American Board of Ophthalmology and is an active member of the American Glaucoma Society, the American Society of Cataract and Refractive Surgery, and the American Academy of Ophthalmology.

Dr. Hsia specializes in cataract and glaucoma surgeries. His expertise encompasses complex cataract surgeries, intraocular lens-related complications, including lens exchange and secondary intraocular lens, traditional and novel glaucoma surgeries, minimally invasive glaucoma surgeries, and complex anterior segment surgeries and reconstruction. He was the first surgeon at UCSF to perform numerous novel glaucoma surgeries and artificial iris implantation. Dr. Hsia has published numerous research manuscripts and book chapters for a glaucoma textbook. He is a frequently invited lecturer for regional and national meetings.

In his free time, Dr. Hsia enjoys cooking, snorkeling, scuba diving, and spending time with his family.