Phone Directory Main Phone Number (714) 754-5454 Admissions (714) 754-5557 Business Development/Marketing (714) 754-5519 Business Office Services (714) 327-5221 Digestive Health Center - treating gastroparesis (714) 540-9877 Emergency Room (714) 754-5550 Golden Years (714) 850-4961 Human Resources (714) 754-5506 Medical Records (714) 754-5567 Medical Staff (714) 754-5549 Senior Assessment Center (714) 754-5503