0001193125-05-152839 10-Q 6 20050630 20050729 20050729 DAVITA INC 0000927066 8090 510354549 DE 1231 10-Q 34 001-14106 05985808 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 CEO CERTIFICATION EX-31.2 4 dex312.htm SECTION 302 CFO CERTIFICATION EX-32.1 5 dex321.htm SECTION 906 CEO CERTIFICATION EX-32.2 6 dex322.htm SECTION 906 CFO CERTIFICATION