Dr. Cheng is a licensed Internal Medicine in CA. Graduated in 2011. Medical degree obtained from University of Pittsburgh School of Medicine. Completed residency training at UC Davis Medical Center and fellowship training at Stanford Medicine. Currently practices at Hoag Medical Group (Hoag Medical Group), located at 16305 Sand Canyon Ave, Irvine, CA 92618. Dr. Cheng specializes in obstructive sleep apnea, central sleep apnea, insomnia, circadian rhythm sleep-wake disorders, and restless legs syndrome. . In addition to English, Dr. Cheng speaks Taiwanese and Mandarin and accepts new patients.