supplier under the Medicare program under title XVIII of such Act ( 42 U.S.C. 1395 et seq.). (C) A public entity. (D) Any other entity not described in this paragraph as the Secretary may specify. (l) Funding (1) Authorization of appropriations There is authorized to be appropriated for an additional amount to carry out this section $50,000,000,000, to remain available until expended. (2) Health Care Provider Relief Fund (A) Use of appropriated funds (i) In general In addition to amounts authorized to be appropriated pursuant to paragraph (1), the unobligated balance of all amounts appropriated to the Health Care Provider Relief Fund shall be made available only to carry out this section. (ii) Amounts For purposes of clause (i), the following amounts are deemed to be appropriated to the Health Care Provider Relief Fund: (I) The unobligated balance of the appropriation of $100,000,000,000 in the third paragraph under the heading Department of Health and Human Services—Office of the Secretary—Public Health and Social Services Emergency Fund in division B of the CARES Act ( Public Law 116–136 ). (II) The unobligated balance of the appropriation under the heading Department of Health and Human Services—Office of the Secretary—Public Health and Social Services Emergency Fund in division B of the Paycheck Protection Program and Health Care Enhancement Act ( Public Law 116–139 ). (B) Limitation Of the unobligated balances described in subparagraph (A)(ii), the Secretary may not make available more than $5,000,000,000 to reimburse eligible health care providers for expenses incurred in providing uncompensated care. (C) Future amounts Any appropriation enacted subsequent to the date of enactment of this Act that is made available for reimbursing eligible health care providers as described in subsection (a) shall be made available only to carry out this section. 612. Public Health Workforce Loan Repayment Program Part D of title III of the Public Health Service Act ( 42 U.S.C. 254b et seq.) is amended by adding at the end