Doctor David R. Grosshans, MD works in the field of Radiation Oncology. He went to medical school at University of Colorado Denver School of Medicine. University of Colorado Denver School of Medicine is a top medical university. University of Colorado Denver School of Medicine is ranked 35 in research and 8 in primary care medicine David R. Grosshans is a published doctor as well. He has 41 publications published. The latest was: Cloning and characterization of cDNAs and the gene encoding the mouse platelet-activating factor acetylhydrolase Ib alpha subunit/lissencephaly-1 protein. He is registered with Medicare.