(i)#
Except as provided in clause (ii) and subparagraph (D), in determining the amount paid under the fee schedule under this subsection for services furnished on or after January 1, 1991 , and before January 1, 1994 , by a certified registered nurse anesthetist who is medically directed, the Secretary shall apply the same methodology specified in subparagraph (A).
(ii)#
The conversion factor used under clause (i) shall be—
(I) for services furnished in 1991, $10.50,
(II) for services furnished in 1992, $10.75, and
(III) for services furnished in 1993, $11.00.
(ii)(I)#
for services furnished in 1991, $10.50,
(ii)(II)#
for services furnished in 1992, $10.75, and
(ii)(III)#
for services furnished in 1993, $11.00.
(iii)#
In the case of services of a certified registered nurse anesthetist who is medically directed or medically supervised by a physician which are furnished on or after January 1, 1994 , the fee schedule amount shall be one-half of the amount described in section 1395w–4(a)(5)(B) of this title with respect to the physician.