If, in the course of furnishing hospital care, a medical service, or an extended care service authorized by the Secretary and pursuant to a contract, agreement, or other arrangement with the Secretary, a provider who is not a party to the contract, agreement, or other arrangement furnishes hospital care, a medical service, or an extended care service that the Secretary considers necessary, the Secretary may compensate the provider for the cost of such care or service.

The Secretary shall take reasonable efforts to enter into a contract, agreement, or other arrangement with a provider described in subsection (a) to ensure that future care and services authorized by the Secretary and furnished by the provider are subject to such a contract, agreement, or other arrangement.