(a) The following individuals or entities are eligible to file claims under the health care coverage plan:
(1) A child covered by the medical order;
(2) The child’s custodial parent or legal guardian;
(3) The provider of services to the child(ren); or
(4) A state agency to which the child(ren) or parents rights have been assigned.
(b) The plan administrator shall pay for covered benefits or reimbursement directly to the party.