About us. Our hospital and clinic are growing. Ottawa County Health Center is a 25 bed Critical Access Hospital in Minneapolis, KS. Our goal is to provide premier health care to patients in a professional caring manner. OCHC currently has an opening for both day and night Registered Nurse to join our team. Evening differential of $2 and weekend differential is $2 for day shift and $4 for night shift. The ideal candidate will be able to perform in...