Thorvardur (thor) R. Halfdanarson MD

Thorvardur R. Halfdanarson, M.D., is a medical oncologist focusing on gastrointestinal malignancies, especially neuroendocrine tumors and hepatobiliary tumors. In addition to his clinical activities, Dr. Halfdanarson is active in both research and education. His research focus is primarily on neuroendocrine tumors ranging from epidemiology to therapy including novel therapeutics in clinical trials. Dr. Halfdanarson is an assistant program director for the Hematology/Oncology fellowship program at Mayo Clinic. He has received numerous awards for teaching residents and fellows.