EXHIBIT 21 SUBSIDIARIES Jurisdiction of Percentage Owned Subsidiaries Incorporation By Registrant - ------------ --------------- ---------------- DCA Medical Services, Inc. Florida 100% DCA of Adel, LLC Georgia 100% DCA of Central Valdosta, LLC Georgia 100% DCA of Fitzgerald, LLC Georgia 100% DCA of Hawkinsville, LLC (1) Georgia 100% DCA of So. Ga., LLC Georgia 100% DCA of Royston, LLC Georgia 100% DCA of Chevy Chase, LLC Maryland 80% DCA of Rockville, LLC Maryland 100% DCA of Manahawkin, Inc. New Jersey 80% DCA of Vineland, LLC New Jersey 51% DCA of Cincinnati, LLC Ohio 60% DCA of Carlisle, Inc. Pennsylvania 80% DCA of Chambersburg, Inc. Pennsylvania 80% DCA of Lemoyne, Inc. Pennsylvania 100% DCA of Mechanicsburg, LLC Pennsylvania 100% DCA of Pottstown, LLC Pennsylvania 80% DCA of Wellsboro, Inc. Pennsylvania 100% DCA of Warsaw, LLC Virginia 100% DCA of Aiken, LLC South Carolina 100% (1) Inactive subsidiary