Kaiser Permanente Aliso Viejo	Children Hospital Mission Viejo
Kaiser Permanente Mission Viejo	UCI Medical Center
Saddleback Memorial	Hoag
Mission Hospital	Irvine Medical Ctr and Hospital
Children's Hospital of Orange County (CHOC) 455 South Main Street Orange, CA 92868-3874 714-997-3000	Fountain Valley Regional Hospital and Medical Center 17100 Euclid at Warner Fountain Valley CA 714-966-7200
Garden Grove Hospital and Medical Center 12601 Garden Grove Blvd Garden Grove, CA 92843 714-537-5160 http://www.tenethealth.com	Irvine Regional Hospital and Medical Center 16200 Sand Canyon Avenue Irvine, CA 92618 (949)753-2000 http://www.tenethealth.com/
St. Joseph Hospital Nasal and Sinus Center 1140 W. La Veta Avenue, Suite 510 Orange CA, 92868 714-744-8758 http://www.sjhnasalsinus.com/	St. Jude Medical Center 101 E Valencia Mesa Dr Fullerton, CA (714) 871-3280 http://www.stjude4health.com/index.lasso
UCI Medical Center 101 The City Drive South, Orange, CA 92868 714-456-7002 http://www.ucihealth.com/	Hoag Memorial Hospital Presbyterian One Hoag Drive P.O. Box 6100 Newport Beach, CA 92658-6100 949-645-8600 http://www.hoag.org/indexIE.html