Wikipedia: "formed by a 2011 merger of Correctional Medical Services, Inc. (CMS) and Prison Health Services, Inc. (PHS)" As the correctional healthcare pioneer and leader for 35+ years, Corizon Health provides client partners with high quality healthcare and reentry services that will improve the health and safety of our patients, reduce recidivism and better the communities where we live and work. We are a company built on innovation and expertise. Our people, practices and commitment to success through evidence-based medicine enable us to consistently meet and exceed client expectations.