This bill prohibits hospitals from charging uninsured patients whose family income is less than 200 percent of the federal poverty line a rate for emergency services that exceeds 115 percent of the allowable charges under the federal Medicare program for those services. Under the bill, an uninsured patient is defined as a hospital patient who is a resident of this state, is not covered under a policy of health insurance, and is not a beneficiary under a public or private health insurance, health benefit, or other health coverage program.