Gastro Arkansas Bryant 2305 Springhill Road, Suite 6 Bryant, AR 72019 501-664-6980. Monday - Thursday 8:00 AM - 5:00 PM Friday 8:00 AM - 4:00 PM. Gastro Intestinal Center 405 N. University Avenue Little Rock, AR 72205 501-663-1074. Monday - Thursday 7:00 AM - 3:30 PM Friday 7:00 AM - 3:00 PM.