EXHIBIT 21 SUBSIDIARIES ------------ Jurisdiction of Percentage Owned Subsidiaries Incorporation By Registrant - ------------ ------------- ------------- DCA Medical Services, Inc. Florida 100% DCA of SO. GA., LLC Delaware 70% DCA of Vineland, LLC New Jersey 80% Dialysis Services of NJ, Inc.- Manahawkin New Jersey 80% Dialysis Services of NJ, Inc. - Toms River* New Jersey 80% Dialysis Services of PA, Inc. - Carlisle Pennsylvania 80% Dialysis Services of PA, Inc. - Chambersburg Pennsylvania 80% Dialysis Services of PA, Inc. - Lemoyne Pennsylvania 100% Dialysis Services of PA, Inc. - Wellsboro Pennsylvania 100% Renal Services of Pa., Inc.* Pennsylvania 100% * inactive.