| Dr. Dik Sum Cheung is a California state licensed medical doctor, specializing in Ophthalmology. Graduated Magna Cum Laude from Sun Yat-Sen Medical University, completed residency training in Brooke Army Medical Center, Dr. Cheung currently is working at Alhambra Hospital Medical Center, located in 103 N Garfield Ave Alhambra CA 91801 | |||