PharMerica Corporation is an institutional pharmacy services company. The Company services healthcare facilities, provides pharmacy management services to hospitals, provides specialty infusion services to patients outside a hospital setting and offers the national oncology pharmacy in the United States. It has three segments: institutional pharmacy, specialty infusion services and specialty oncology pharmacy. Its institutional pharmacy segment provides pharmacy products and services to residents and patients in skilled nursing facilities, nursing centers, assisted living facilities, hospitals and other long-term alternative care settings. Its specialty infusion services segment provides specialty infusion services focused on providing pharmaceutical products and clinical services to patients in client facilities, hospice and outside of hospital. Its specialty oncology pharmacy segment provides dispensing of oncology drugs, care management and other related services.