Trinity Health's acquisition of MercyOne in September 2022 initially incurred an operating loss of $128 million in fiscal 2023. However, MercyOne has rapidly transformed into a significant revenue contributor, with over $3 billion in revenue. COO Ben Carter highlighted MercyOne's growing importance within the health system, positioning it as the second-largest region. Trinity Health's strategic acquisition aims to improve performance and foster integration, despite initial challenges arising from previous ownership structures.