Dr. Dennis Lange is a nephrologist. In 2021, he and his wife, Cynthia Lange, accepted an assignment as Co-Directors of an ICLRS initiative to the Organization of American States in Washington, DC. He received an MD from the University of California, Los Angeles and a BS in Biology from the University of California, Los Angeles. He is currently pursuing an MPH from the University of California, Berkeley. Dr. Lange worked with Kidney Specialists Medical Corp from 1997-2016. He also served as Medical Director of Lifeline Dialysis Service during that same time. He was Medical Director for Montebello Dialysis Clinic and DaVita Kenneth Hahn Plaza Dialysis Clinic for many years. Prior to that he was a physician with Kidney Specialists Medical Group.