RN - South Telemetry St. Mary Medical Center in Apple Valley, CA. This position is Full-Time and will work 12-hour Night shifts available. St. Mary Medical Center, has been a part of the community of Apply Valley, California since 1956 and is recognized as one of the best regional hospitals in 6 types of care by U.S. News & World Report. Be part of our team dedicated to providing exceptional medical care across a range of specialties for our community.