Provides that an insurer: (1) must pay a health care provider the full amount due for health care services under the health care provider's agreement with the insurer, including any cost sharing; (2) has the sole responsibility for collecting cost sharing from a covered individual; and (3) upon request of the covered individual, must collect cost sharing throughout the policy year in increments defined by the insurer. Prohibits an insurer from taking certain actions regarding the collection of cost sharing. Requires each insurer to certify to the insurance commissioner, before December 31 of each year, that the insurer has fully and completely complied with the requirements during the previous calendar year.