Dr. Dennis Y. Fong is a board certified physician practicing in Walnut Creek. Originally from Canada, Dr. Fong emigrated to the United States and joined the staff of John Muir Walnut Creek Hospital. He opened the doors to his practice in 1997. He is a family practitioner, treating patients of all ages, and is fluent in Chinese, Cantonese and Mandarin. Office hours are Monday-Saturday by appointment.