Dr. Leung is a licensed Internal Medicine in CA. Graduated in 2008. Medical degree obtained from Northwestern University School of Medicine. Completed residency training at Northwestern University and fellowship training at VA Palo Alto Health . Currently practices at Tiffany Irene Leung MD (Tiffany Irene Leung MD), located at PO Box 3085, Fremont, CA 94539. Dr. Leung specializes in internal medicine and primary care.. In addition to English, Dr. Leung speaks Mandarin and Cantonese.