Sydney Adventist Hospital. Adventist HealthCare is a not-for-profit organisation that operates a group of healthcare businesses including the organisation's flagship entity, Sydney Adventist Hospital (fondly known as the San) at Wahroonga. With a long-standing reputation for excellence in healthcare, Adventist HealthCare offers a comprehensive range of acute medical, surgical, diagnostic, support and wellness services across our facilities. Our staff share a commitment to delivering excellence in healthcare while bringing our Mission - Christianity in Action - to life in everything we do. We're on LinkedIn 9am-5pm weekdays.