A facility of the Indian Health Service (including a hospital, nursing facility, or any other type of facility which provides services of a type otherwise covered under the State plan), whether operated by such Service or by an Indian tribe or tribal organization (as those terms are defined in section 1603 of title 25), shall be eligible for reimbursement for medical assistance provided under a State plan if and for so long as it meets all of the conditions and requirements which are applicable generally to such facilities under this subchapter.