0001193125-08-170507 10-Q 6 20080630 20080808 20080807 DAVITA INC 0000927066 8090 510354549 DE 1231 10-Q 34 001-14106 081000159 601 HAWAII STREET EL SEGUNDO CA 90245 3105362400 601 HAWAII STREET EL SEGUNDO CA 90245 TOTAL RENAL CARE HOLDINGS INC 19950524 TOTAL RENAL CARE INC 19940719 10-Q 1 d10q.htm FORM 10-Q EX-12.1 2 dex121.htm RATIO OF EARNINGS TO FIXED CHARGES EX-31.1 3 dex311.htm SECTION 302 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER EX-31.2 4 dex312.htm SECTION 302 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER EX-32.1 5 dex321.htm SECTION 906 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER EX-32.2 6 dex322.htm SECTION 906 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER