Children’s Mercy Hospital in Kansas City, Missouri, is preparing to announce a major expansion of its downtown campus, which will unfold in seven phases. The project may include four new hospital buildings, two medical office buildings, and two administrative office buildings, significantly enhancing the hospital's pediatric care capabilities. Although officials have not disclosed the project's cost or timeline, it is expected to represent a substantial investment in the flagship Adele Hall campus, located between Gillham Road and Holmes Street.

The hospital has experienced significant growth, reporting over $2 billion in revenue and $418.5 million in excess revenue in 2025, driven by a strategic push into regional markets despite declining birth rates. This expansion includes new facilities in Overland Park and Wichita, as well as a joint venture with Mercy Springfield Communities to manage pediatric services in southwest Missouri.

Health economists note that as general hospitals reduce pediatric beds, institutions like Children’s Mercy are becoming essential regional hubs for specialized care. The expansion aims to accommodate increased patient demand for complex services, such as organ transplants and cardiac surgeries, while also relieving pressure on the downtown facility. The project is set to begin with two new patient-focused buildings, with future phases including a 20-story hospital tower and additional medical office buildings. The City Plan Commission is scheduled to review the master plan on April 15.