Health care provider billing. Prohibits billing a patient who receives emergency services: (1) from an out of network provider; and (2) at specified facilities that are in network; for amounts that exceed the cost paid by the patient’s insurance plus any deductibles, copayments, and coinsurance amounts. Requires certain health care providers to provide, upon request from the patient, a good faith estimate to the patient for the cost of care at least five business days before a health care service or procedure is provided. Sets forth requirements of the good faith estimate. Requires the patient to acknowledge in writing receipt of the estimate and indicate whether to proceed with the service or procedure.