SERVING THOSE WHO SERVE US ALL. MISSISSIPPI HOSPITAL EMPLOYEES. The Mississippi Hospital Association is the statewide trade association dedicated to effectively serving the health care needs of Mississippi through serving those who serve us all - our state's hospitals and their employees. We have been providing advocacy, education, information, and service to our members since 1931. Need help or more information? Email Shawn Rossi at srossi@mhanet.org.