Renal care specialist DaVita HealthCare Partners (NYSE:DVA) announced today that it's splitting its stock 2-for-1 on September 20 for holders of record on August 23.

Investors will receive an additional share for each share they own on the record date. The stock split will increase the total number of outstanding shares of the kidney care specialist's common stock from approximately 106.2 million shares to approximately 212.5 million shares.

The market price of each share will adjust to the split and individual investors will end up owning roughly the same dollar amount of stock after the split as they owned before it.

DaVita operates or provides administrative services at 2,010 outpatient dialysis centers in the U.S. serving approximately 159,000 patients, as well as at 48 centers in 10 countries outside of the U.S.