DaVita Clinical Research Appoints Mahesh Krishnan as Vice President

DENVER, July 13 /PRNewswire-FirstCall/ -- DaVita Inc. (NYSE: DVA), a leading
provider of kidney care services for those diagnosed with chronic kidney
disease (CKD), today announced Mahesh Krishnan, MD, MPH has been appointed to
DaVita Clinical Research(R) as Vice President for Research, effective July 13,
2009.

(Logo: http://www.newscom.com/cgi-bin/prnh/20020729/DAVITALOGO)

DaVita Clinical Research is recognized as a leader in clinical trials for
drugs and devices. Krishnan will be responsible for leadership for Medical
Informatics, publications, DaVita(R) internal research initiatives, serving as
primary clinical liaison for all Research partners, and acting as a member of
the Office of the Chief Medical Officer (OCMO).

"Dr. Krishnan has proven himself as one of the best and brightest minds in
nephrology and we are thrilled to welcome him to the DaVita Village," said Dr.
Allen R. Nissenson, Chief Medical Officer for DaVita. "His expertise will
help DaVita Clinical Research in its continuing mission to advance the
knowledge and practice of kidney care, and further OCMO's relentless pursuit
of quality(TM) for kidney patients."

Dr. Krishnan brings more than 15 years of healthcare industry experience to
DaVita. Previously, he served as the Executive Director of Medical Policy,
Nephrology Therapeutic Area Head for Global Health Economics, and Global
Development Leader for Epogen(R) at AMGEN Inc. During his tenure with AMGEN,
he played an important role in the 2007 FDA Cardio Renal Drug Advisory Panel
for Erythropoietic Stimulating Agents, served as the primary contact for the
Dialysis Outcomes Practice Patterns Study, and led many important research
projects focused on observational research and dialysis care. He was the
founder and managing partner of the Clinical Consulting and Research Center in
Fairfax, VA, and prior to that, was in practice in Northern Virginia for
nearly five years.

After receiving his bachelor's degree in premedicine from Penn State
University, Krishnan earned his medical degree from The Jefferson Medical
College at Thomas Jefferson University. He also holds a master's degree in
Public Health from Johns Hopkins University and completed the Health
Management Program for Community-Based Nephrologists at Duke University's
Fuqua School of Business. Additionally, he is currently working towards an
MBA in Medical Services Management at the Johns Hopkins Carey School of
Business in Baltimore, MD.

Dr. Krishnan is a member of the American College of Physicians, American
Medical Association, American Society of Nephrology and National Kidney
Foundation. He currently serves on the editorial board of Nephrology News and
Issues and his writing has been published nearly 20 times in renal care and
research publications around the world.

DaVita and DaVita Clinical Research are registered trademarks of DaVita Inc.
All other trademarks are the property of their respective owners.

About DaVita Inc.
DaVita Inc., a FORTUNE 500(R) company, is a leading provider of kidney care in
the United States, providing dialysis services and education for patients with
chronic kidney failure and end stage renal disease. Recognized as the only
FORTUNE 500(R) company on WorldBlu's annual List of Most Democratic
Workplaces(TM), DaVita manages more than 1,475 outpatient facilities and acute
units in more than 700 hospitals located in 43 states and the District of
Columbia, serving approximately 114,000 patients - nearly one-in-three of all
dialysis patients in the United States. As part of DaVita's commitment to
building a healthy, caring community, DaVita develops, participates in and
donates to numerous programs dedicated to transforming communities and
creating positive, sustainable change for children, families and our
environment. For more information about DaVita, its kidney education
materials and its community programs, please visit www.davita.com.

SOURCE DaVita Inc.

Craig Handzlik of DaVita Inc., +1-310-536-2542, Craig.Handzlik@DaVita.com