Dr. John C Sun is a California state licensed medical doctor, specializing in Otolaryngology. Graduated Magna Cum Laude from Washington University School of Medicine, completed residency training in Washington University, Dr. Sun currently is working at Orange County Ear Nose and Throat Associates, located in 24411 Health Center Dr #600 Laguna Hills CA 92653 Please call +1-949-305-8000 to contact. | |||