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 Interim Division Chief Daniel O'Connell, MD Position title: Associate Professor, Interim Division Chief Faculty Istvan Danko, MD, PhD Position title: Professor Katryn Furuya, MD Position title: Professor Thomas Ratchford, MD Position title: Assistant Professor Luther Sigurdsson, MD Position title: Professor Dorota Walkiewicz-Jedrzejczak, MD Position title: Associate Professor Jonathan Wong, DO Position title: Assistant Professor Clinical Staff Erin Heredia, NP Position title: Nurse Practitioner Marcy Weidkamp, NP Position title: Nurse Practitioner Staff Sarah French Position title: Senior Medical Program Assistant Molly Hite Position title: Medical Program Assistant
