Gastroenterology, Hepatology & Nutrition Faculty & Staff Gastroenterology, Hepatology & Nutrition More Division Members More Research More For Patients & Families: UW Health For Academic Inquiries: (608) 262-0943 Division Chief Luther Sigurdsson, MD Position title: Professor, Division Chief Faculty Istvan Danko, MD, PhD Position title: Professor Katryn Furuya, MD Position title: Professor Daniel O'Connell, MD Position title: Assistant Professor Thomas Ratchford, MD Position title: Assistant Professor Dorota Walkiewicz-Jedrzejczak, MD Position title: Associate Professor Jonathan Wong, DO Position title: Assistant Professor Clinical Staff Laura Bradstreet, NP Position title: Nurse Practitioner Terri Lefeber, NP Position title: Nurse Practitioner Marcy Weidkamp, NP Position title: Nurse Practitioner Staff Arianna Coleman Position title: Medical Program Assistant Sarah French Position title: Senior Medical Program Assistant Jenna Hatab Position title: Medical Student Students Ethan Rosen Position title: Undergraduate Student Researcher
