Every health care insurer that delivers or issues for delivery or renews in this state a contract, plan, or policy that provides coverage for pharmaceuticals delivered on an outpatient basis through a restricted pharmacy network, shall:

(a)  Also offer insurance purchasers an optional benefit plan that includes a nonrestricted pharmacy network; and

(b)  Subject to a determination by the US Department of Health and Human Services’ Centers for Medicare and Medicaid Services on the consistency of this subsection with Medicare law and related regulations, offer only nonrestricted pharmacy networks in any Medicare Supplement or Medicare+Choice Plans.