(a) A healthcare insurer shall not, directly or indirectly:
(1)
(A) Impose a monetary advantage or penalty under a health benefit plan that would affect a beneficiary's choice among those healthcare providers who participate in the health benefit plan according to the terms offered.
(B) "Monetary advantage or penalty" includes:
(i) A higher copayment;
(ii) A reduction in reimbursement for services; or
(iii) Promotion of one healthcare provider over another by these methods;
(2) Impose upon a beneficiary of healthcare services under a health benefit plan any copayment, fee, or condition that is not equally imposed upon all beneficiaries in the same benefit category, class, or copayment level under that health benefit plan when the beneficiary is receiving services from a participating healthcare provider pursuant to that health benefit plan; or
(3) Prohibit or limit a healthcare provider that is qualified under § 23-99-203(d) and is willing to accept the health benefit plan's operating terms and conditions, schedule of fees, covered expenses, and utilization regulations and quality standards, from the opportunity to participate in that health benefit plan.
(b) Nothing in this subchapter shall prevent a health benefit plan from instituting measures designed to maintain quality and to control costs, including, but not limited to, the utilization of a gatekeeper system, as long as such measures are imposed equally on all providers in the same class.