THMA comprises Greater Philadelphia area hospitals: Mercy Fitzgerald Hospital, Nazareth Hospital, St. Mary Medical Center & Saint Francis Hospital (Del.) Trinity Health Mid-Atlantic includes Mercy Fitzgerald Hospital, Nazareth Hospital, St. Mary Medical Center and Saint Francis Hospital. WE, TRINITY HEALTH OF THE MID-ATLANTIC REGION AND TRINITY HEALTH, SERVE TOGETHER IN THE SPIRIT OF THE GOSPEL AS A COMPASSIONATE AND TRANSFORMING HEALING PRESENCE WITHIN OUR COMMUNITIES. MERCY CATHOLIC MEDICAL CENTER OF SOUTHEASTERN PENNSYLVANIA IS A MEMBER OF TRINITY HEALTH OF THE MID-ATLANTIC REGION AND TRINITY HEALTH.