Dr. Gu is a licensed Pathology in CA. Graduated in 1988. Medical degree obtained from Beijing, Peking University Health Science Center in China. Completed residency training at NewYork-Presbyterian and fellowship training at Memorial Sloan Kettering. Currently practices at PathCare Diagnostics (PathCare Diagnostics), located at 1810 Fullerton Ave, Corona, CA 92881. Dr. Gu specializes in ultrasound-guided fine needle aspiration (FNA) and core biopsy of the superficial organs, such as the breast, thyroid, salivary glands, lymph nodes, and subcutaneous soft tissue of any sites.. In addition to English, Dr. Gu speaks Mandarin.