Overview. St. Johns Regional Medical Center located in Oxnard California is a recognized as a Top 250 Hospital in the Nation and as one of Americas 100 Best Hospitals for Cardiac Care by Healthgrades. St. Johns Regional is a part of Dignity Healths Southern California Division and is a member of CommonSpirit Health the largest not-for-profit health care system in the nation boasting an integrated network of top quality hospitals with physicians f...
