Upon the request of the borrower, a lender described in subparagraph (A), (B), or (C) of section
1078–3
(a)(1) of this title, or defined in subpart I of part C of title VII of the Public Health Service Act may, with respect to a consolidation loan made under section
1078–3 of this title (and section
1087–2
(o) of this title as in effect prior to the enactment of section
1078–3 of this title) and loans guaranteed under subpart I of part C of title VII of the Public Health Service Act (known as Health Education Assistance Loans), offer a combined payment plan under which the lender shall submit one bill to the borrower for the repayment of all such loans for the monthly or other similar period of repayment.