DaVita HealthCare Partners Inc. announced that HealthCare Partners president and CEO Dr. Craig Samitt is stepping down, effective Aug. 1. Kent Thiry, co-chairman and CEO of DaVita HealthCare Partners, will take over the role of CEO of HCP, working in tandem with the Office of Chief Medical Officer.

"I want to thank Craig for his contributions during his time here. He is a strong CEO and we wish him the best in his future endeavors," said Thiry.

"I will miss working with the talented physicians, staff and management that created and will sustain the HealthCare Partners legacy," said Samitt. "The company is well positioned to continue to transform population health in the United States."

Samitt joined HealthCare Partners as executive vice president in August 2013; he became CEO in March of this year. Samitt also serves as a member of the Medicare Payment Advisory Commission, with his term ending in April 2015. Before joining DaVita, Samitt was CEO of Madison, Wis.-based Dean Health Systems, which was acquired last year by Roman Catholic system SSM Health Care.