In making such determination with respect to necessary specialty and ancillary services provided by a network provider, the network provider shall consult with the Secretary, acting through the program office of the appropriate medical facility. (2) In cases of episodes of care that the Secretary determines case management to be appropriate, the Secretary shall provide case management to an eligible veteran who receives hospital care, medical services, or extended care services from a network provider for such episodes of care. The Secretary may provide such case management through the Veterans Health Administration or through an entity that manages the operations of the regional networks pursuant to subsection (a)(4)(B). (d) Care and services through contracts and agreements (1) The Secretary shall enter into contracts or agreements, including national contracts or agreements for, but not limited to, dialysis, for furnishing care and services to eligible veterans under this section with network providers. (2) (A) In entering into a contract or agreement under paragraph (1) with a network provider, the Secretary shall— (i) negotiate rates for the furnishing of care and services under this section