Notwithstanding the provisions of this section and sections
1395k,
1395l, and
1395cc
(a)(1)(A) of this title, a hospital or a critical access hospital may, subject to such limitations as may be prescribed by regulations, collect from an individual the customary charges for services specified in section
1395x
(s) of this title and furnished to him by such hospital as an outpatient, but only if such charges for such services do not exceed the applicable supplementary medical insurance deductible, and such customary charges shall be regarded as expenses incurred by such individual with respect to which benefits are payable in accordance with section
1395l
(a)(1) of this title. Payments under this subchapter to hospitals which have elected to make collections from individuals in accordance with the preceding sentence shall be adjusted periodically to place the hospital in the same position it would have been had it instead been reimbursed in accordance with section
1395l
(a)(2) of this title (or, in the case of a critical access hospital, in accordance with section
1395l
(a)(6) of this title).