1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT STATE OF INCORPORATION OR CORPORATE NAME ORGANIZATION Advanced Rx Services, Inc....................................................... New Jersey Beachwood HealthCare Management, Inc............................................ Delaware Cheshire Long Term Care Pharmacy, Inc........................................... Connecticut HLF Adult Home Pharmacy Corp.................................................... New York IV-A-Care of Wisconsin, Inc. ................................................... Wisconsin JK Medical Services, Inc........................................................ Oklahoma Kinetic Services, Inc........................................................... California Look Drug Stores, Inc........................................................... Wisconsin Management & Network Services, Inc.............................................. Ohio Marlowe Nursing Center Services Limited Partnership............................. Delaware Medi Centre, Inc................................................................ Michigan NCS Daven Drug, Inc............................................................. Ohio NCS HealthCare of Arizona, Inc.................................................. Ohio NCS HealthCare of Arkansas, Inc................................................. Ohio NCS HealthCare of California, Inc............................................... Ohio NCS HealthCare of Florida, Inc.................................................. Ohio NCS HealthCare of Illinois, Inc................................................. Illinois NCS HealthCare of Indiana, Inc.................................................. Indiana NCS HealthCare of Iowa, Inc..................................................... Ohio NCS HealthCare of Kansas, Inc................................................... Ohio NCS HealthCare of Kentucky, Inc................................................. Ohio NCS HealthCare of Maryland, Inc................................................. Ohio NCS HealthCare of Massachusetts, Inc............................................ Ohio NCS HealthCare of Michigan, Inc................................................. Ohio NCS HealthCare of Minnesota, Inc................................................ Ohio NCS HealthCare of Missouri, Inc................................................. Ohio NCS HealthCare of Modesto, Inc.................................................. Ohio NCS HealthCare of Montana, Inc.................................................. Ohio NCS HealthCare of Nebraska, Inc................................................. Ohio NCS HealthCare of New Mexico, Inc............................................... Ohio NCS HealthCare of New York, Inc................................................. Ohio NCS HealthCare of North Carolina, Inc........................................... Ohio NCS HealthCare of Ohio, Inc..................................................... Ohio NCS HealthCare of Oklahoma, Inc................................................. Oklahoma NCS HealthCare of Oregon, Inc................................................... Ohio NCS HealthCare of Pennsylvania, Inc............................................. Pennsylvania NCS HealthCare of Rhode Island, Inc............................................. Rhode Island NCS HealthCare of South Carolina, Inc........................................... Ohio NCS HealthCare of Tennessee, Inc................................................ Ohio NCS HealthCare of Texas, Inc.................................................... Ohio NCS HealthCare of Vermont, Inc.................................................. Ohio E-3 2 STATE OF INCORPORATION OR CORPORATE NAME ORGANIZATION NCS HealthCare of Washington, Inc............................................... Ohio NCS HealthCare of Wisconsin, Inc................................................ Ohio NCS of Missouri, Inc............................................................ Delaware NCS Quality Care Pharmacy, Inc.................................................. Ohio NCS Services, Inc............................................................... Ohio NCS Unlimited, Inc.............................................................. Illinois NDS Consulting, Inc............................................................. Ohio PharmaSource Healthcare, Inc.................................................... Georgia Rescot Systems Group, Inc....................................................... Pennsylvania Thrifty Medical Supply, Inc..................................................... Oklahoma Uni-Care Health Services, Inc................................................... New Hampshire Uni-Care Health Services of Maine, Inc. ........................................ New Hampshire E-4