Mission Hospital Affiliated Physicians Marie Juarez Tel. (714) 712-3321 Cell (714) 292-1260 marie.juarez@stjoe.org. St. Mary High Desert Medical Group Premier Healthcare Brittany Bartholomew Tel. (760) 956-4129 Brittany.Bartholomew@stjoe.org. St. Joseph Hospital Affiliated Physicians Patty Garcia Tel. (714) 712-3318.