Dr. William Ellis, MD

Dr. William Ellis is an ophthalmologist specializing in comprehensive eye care with particular expertise in diabetic eye conditions and cataract treatment. He earned his medical degree from Washington University in St. Louis, Missouri, and brings 58 years of experience to his practice. Dr. Ellis is fluent in both Spanish and English.

Dr. Ellis practices at multiple locations throughout California, including San Francisco, Corte Madera, Walnut Creek, El Cerrito, San Jose, Roseville, and Gilroy, with hospital privileges at Alta Bates Summit Medical Center Alta Bates Campus. He focuses on treating diabetic eye disease and diabetic retinopathy, helping patients preserve their vision through specialized care. His practice also includes cataract surgery and advanced diagnostic procedures such as retinal imaging and optical coherence tomography. Patients have given him an average rating of 3.0.