Review of the actions of individuals or entities furnishing items or services (whether on a fee-for-service, risk, or other basis) for which payment may be made under a State plan approved under this subchapter (or under any waiver of such plan approved under
section 1315 of this title) to determine whether fraud, waste, or abuse has occurred, is likely to occur, or whether such actions have any potential for resulting in an expenditure of funds under this subchapter in a manner which is not intended under the provisions of this subchapter.