Past: Evening Supervisor at ST MARY MEDICAL CENTER Worked as a medical technologist (supervisor) for 35 years at/for St Mary Medical Center, now part of Community Healthcare Systems based in Munster, IN. The... Worked as a medical technologist (supervisor) for 35 years at/for St Mary Medical Center, now part of Community Healthcare Systems based in Munster, IN. The SMMC campus is located in Hobart, IN. I have been retired since 02/02/2007. I still do the same job as a registry tech as regulated by SSS.