Breadcrumb Home Tippie News MercyOne names Carreon as Chief Medical Executive Thursday, May 13, 2021 Referenced article https://www.mercyone.org/about-us/news-events/mercyone-names-dr-hijinio-carreon… MercyOne has named Dr. Hijinio Carreon (MBA20) as system-wide Chief Medical Executive. He will provide clinical and operations leadership to the entire MercyOne organization.