Dr. Ronald J Koch specializes in plastic and reconstructive surgery in Danville area. Dr. Ronald J Koch has a medical practice at 360 Rose Avenue, Danville CA, and has over 28 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1989. Dr. Koch is accepting new patients at his medical office and practice location in Danville, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.