Dr. Hy is a licensed Family Medicine in CA. Medical degree obtained from Western University of Health Sciences. Completed residency training at Riverside Regional Medical Center. Currently practices at Optum Care (Optum Care), located at 18897 Colima Rd, Rowland Heights, CA 91748. Dr. Hy specializes in family medicine and primary care.. In addition to English, Dr. Hy speaks Mandarin and Cantonese.