Mercy Clinic Grand Opening & Trick or Treat Join us in celebrating Mercy Clinic's Grand Opening with a fun trick or treat twist! Bring your family and celebrate this spooktacular event with us! Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Date and Time Monday Oct 22, 2018 5:00 PM - 7:00 PM CDT Location 250 SW Brookside Dr, Grimes, IA 50111 Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Share × Print Email Add to Calendar Facebook Twitter LinkedIn Tell a Friend × Select Calendar Type × Google Yahoo iCal (Outlook, Apple, or other)