EXHIBIT 32.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER PURSUANT TO SECTION 13a-14(b) OF THE SECURITIES EXCHANGE ACT OF 1934 AND 18 U.S.C. SECTION 1350 In connection with the Annual Report of Dialysis Corporation of America (the "Company") on Form 10-K for the fiscal year ended December 31, 2003 as filed with the Securities and Exchange Commission on the date therein specified (the "Report"), the undersigned, Stephen W. Everett, Chief Executive Officer and President of the Company, and Daniel R. Ouzts, Vice President of Finance and Treasurer of the Company, each certify pursuant to 18 U.S.C. Section 1350, that to the best of our knowledge: (1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Stephen W. Everett ------------------------------------------- STEPHEN W. EVERETT, Chief Executive Officer and President /s/ Daniel R. Ouzts ------------------------------------------- DANIEL R. OUZTS, Vice President of Finance and Treasurer (Principal Financial Officer) Dated: March 25, 2004