Efrem Castillo is a seasoned healthcare executive with extensive experience in leadership roles within major healthcare organizations. They served as Senior Vice President at Optum from 2019 to 2023 and as Chief Medical Officer at United Healthcare Medicare & Retirement from 2016 to 2019. Previously, they held the position of Regional Medical Director at WellMed Medical Management from 2006 to 2016. Currently, Castillo is the Executive Vice President at Rendr and was recently appointed Senior Vice President at Aledade, Inc. for 2023 to 2024.
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