Optum, a leading health services company, completed its acquisition of DaVita Medical Group, one of the nation’s leading independent medical groups, from DaVita Inc. As part of the transaction, HealthCare Partners Nevada, DaVita Medical Group’s primary care practice in southern Nevada, will become part of Intermountain Healthcare.

DaVita Medical Group joins OptumCare, which serves more than 80 health plans, and will provide quality care to a combined 16 million patients.

“We are excited to take this important step in building a next-generation comprehensive, coordinated health care organization. Together we will improve patient health and experiences while lowering costs across the continuum of care – including primary, specialty, urgent and surgical care,” said Andrew Witty, CEO of Optum.

“In joining Optum, DaVita Medical Group begins an exciting new chapter, helping physicians further advance patient care,” said Kent Thiry, Executive Chairman of DaVita Inc.

“DaVita will continue its focus on improving quality of life for patients and expanding access to integrated care in the kidney care space,” said Javier Rodriguez, CEO of DaVita Inc.

DaVita Inc. will continue to own and operate its U.S. and international kidney care businesses.