Dr. Cheng is a licensed Family Medicine in CA. Graduated in 2001. Medical degree obtained from Virginia Commonwealth University School of Medicine. Completed residency training at Riverside Regional Medical Center. Currently practices at Optum Care (Optum Care), located at 11100 Warner Ave, Fountain Valley, CA 92708. Dr. Cheng specializes in family medicine and primary care.. In addition to English, Dr. Cheng speaks Taiwanese and Mandarin and accepts new patients.