Dr. Koo is a licensed Urology in MN. Graduated in 2013. Medical degree obtained from Yale School of Medicine. Completed residency training at Dartmouth-Hitchcock. Currently practices at Mayo Clinic - Minnesota (Mayo Clinic - Minnesota), located at 4940 Eastern Ave, Rochester, MN 55905. Dr. Koo specializes in Bladder stones£¬Kidney stone£¬Ureterocele and Urinary obstruction.. In addition to English, Dr. Koo speaks Mandarin.