AdventHealth Medical Group Primary Care at Shawnee Mission 7450 Kessler Street, Suite 300 Shawnee, KS 66204 913-632-2900 913-632-2999 Download Practice Contact Card Office Hours Monday 7 am to 7:30 pm Tuesday 7 am to 5 pm Wednesday 7 am to 7 pm Thursday 7 am to 5 pm Friday 7 am to 5 pm Saturday 9 am to 12 pm Sunday Closed Extended Hours.