mayoclinic.org/phoenix-hematologyoncology
Daniel H. Ahn, DO, MS, is a medical oncologist with a focus in gastrointestinal cancers. In addition to his clinical activities, Dr. Ahn serves on the Board of Directors for the Academic and Community Cancer Research United and is a GI committee member of the Alliance for Clinical Trials in Oncology group. Dr. Ahn serves as the principal investigator for many clinical trials focused on the incorporation of agents that target the multiple facets of gastrointestinal cancers, including genetic alterations and agents that target the immune system. His ultimate goal for these efforts is to provide help for all his patients and identify the best-suited approach for each individual.
U.S. News & World Report ranks Mayo Clinic #1 hospital in Arizona.

