Business management services provided to hospitals, health systems, medical groups, post-acute care providers, and accountable care organizations, namely, managing transitional care, managing post-acute care, managing in-home or community care, establishing and maintaining healthcare networks and care plans for patients, arranging of managed care contractual services, and medical billing in the nature of coordinating medical professional payment in the field of bundled payments; Medical cost management; healthcare cost management services for healthcare benefit plans for others; Business management of health care services offered through a network of health care providers on a contract basis