DaVita HealthCare Partners Inc. (NYSE: DVA) today announced transitions within the executive leadership team of its HealthCare Partners (HCP) business unit. Matthew Mazdyasni will resign from his HCP position and Dr. Craig Samitt, M.D., and Dennis Kogod will both expand their roles. Mazdyasni, executive vice president and chief financial officer, has been at HCP for 30 years. He will transition his responsibilities by early 2014. “I want to convey my thanks and appreciation to Matthew for his dedication, professionalism and friendship,” said Robert J. Margolis, M.D., CEO of HealthCare Partners. “Matthew’s tremendous leadership efforts have played a major role in securing our organization’s reputation as one of the nation’s leading high-performing value-based delivery systems. “I am confident that Craig, an exceptional physician executive with a depth of professional experience, and Dennis, a tremendous leader who has contributed to DaVita’s growth and success over the years, will be a strong leadership team and will work to develop the potential of HCP’s opportunity and promise,” added Margolis. DaVita and DaVita HealthCare Partners are trademarks or registered trademarks of DaVita HealthCare Partners Inc. All other trademarks are the property of their respective owners. About DaVita HealthCare Partners DaVita HealthCare Partners Inc., a Fortune 500® company, is the parent company of DaVita and HealthCare Partners. DaVita is a leading provider of kidney care in the United States, delivering dialysis services to patients with chronic kidney failure and end stage renal disease. As of Sept. 30, 2013, DaVita operated or provided administrative services at 2,042 outpatient dialysis centers located in the United States serving approximately 166,000 patients. The company also operated 66 outpatient dialysis centers located in 10 countries outside the United States. HealthCare Partners manages and operates medical groups and affiliated physician networks in Arizona, California, Nevada, New Mexico, and Florida in its pursuit to deliver excellent-quality health care in a dignified and compassionate manner. As of Sept. 30, 2013, HealthCare Partners provided integrated care management for approximately 760,000 managed care patients. For more information, please visit DaVitaHealthCarePartners.com.