EXHIBIT 21 SUBSIDIARIES OF EVEREST HEALTHCARE SERVICES CORPORATION NAME OF SUBSIDIARY JURISDICTION - ------------------ ------------ Acute Extracorporeal Services, L.L.C. Delaware Con-Med Supply Company, Inc. Illinois Continental Health Care, Ltd. Illinois Dialysis Services of Cincinnati, Inc. Ohio Dialysis Specialists of Marietta, Ltd. Ohio Dialysis Specialists of Northeast Ohio, Ltd. Ohio Dialysis Specialists of Topeka, Inc. Kansas Dialysis Specialists of Tulsa, Inc. Oklahoma DuPage Dialysis Ltd. Illinois Everest Healthcare Indiana, Inc. Indiana Everest Healthcare Ohio, Inc. Ohio Everest Healthcare Texas Holding Corp. Delaware Everest Healthcare Texas, L.P. Delaware Everest Management, Inc. Delaware Everest New York Holdings, Inc. New York Everest One IPA, Inc. New York Everest Two IPA, Inc. New York Everest Three IPA, Inc. New York Extracorporeal Alliance, L.L.C. Delaware Home Dialysis of America, Inc. Arizona Home Dialysis of Eastgate, Inc. Ohio Home Dialysis of Mt. Auburn, Inc. Ohio Mercy Dialysis Center, Inc. Wisconsin New York Dialysis Management, Inc. New York North Buckner Dialysis Center, Inc. Delaware Northern New Jersey Dialysis, L.L.C. Delaware Perfusion Resource Association, L.L.C. Delaware Perfusion Support Services, L.L.C. Delaware Saint Margaret Mercy Dialysis Centers, L.L.C. Illinois Terrell Dialysis Center, L.L.C. Delaware Tri-State Perfusion, L.L.C. Delaware WSKC Dialysis Services, Inc. Illinois