Welcome to Dr. Matthew Nielsen December 31, 2008 By robinsr On December 31, 2008, Matt Nielsen, MD, joined the Urology faculty. He comes to UNC from Johns Hopkins and specializes in urologic oncology and robotic surgery.. Filed Under: Categories: News Tags: 2008 More from Department of Surgery More rural, minoritized people get amputations – AI gets closer to why UNC Surgery Opens The Same-Day Surgery Clinic Novant Health, UNC Health and UNC School of Medicine award $1 million to launch two regional research efforts