Administering discount group purchasing programs, namely, negotiating contracts with providers of MEDICAL AND SURGICAL SUPPLIES, PHARMACEUTICALS, LABORATORY SUPPLIES, MEDICAL/HOSPITAL EQUIPMENT, INSURANCE, CONSULTING, AND PROFESSIONAL SERVICES to enable participant members of MEDICAL OFFICES, HOSPITALS, CLINICS, SURGERY CENTERS, PHARMACIES, NURSING HOMES, HEALTH CARE CENTERS, RETIREMENT CENTERS AND EDUCATIONAL INSTITUTIONS, NAMELY, UNIVERSITIES, COLLEGES AND MEDICAL LABORATORIES to obtain dis...