Kimball. (308) 235-1966 - 7 am to 6 pm during the week. (308) 235-1951 - all other times. Pine Bluffs. (307) 245-3666 - 8 am to 6 pm during the week. To keep staff and patients safe, walk-in patients with COVID-19 symptoms are not being accepted at the Kimball Clinic..