Medicaid is a form of medical insurance coverage that is made available to people in particular low-income tax brackets. Eligibility for Medicaid greatly depends on earnings and certain circumstances including whether or not the person has dependents and whether or not they are getting any other form of assistance. Medicaid might even cover the expenses associated with alcohol and drug rehabilitation, and there are many alcohol and drug treatment centers in Ontario, CA. which are approved through Medicaid. Many drug and alcohol rehab programs that are accept Medicaid may only deliver a limited rehab plan and may only deliver such rehab for a short length of time, usually 4 weeks or less. People in Ontario who have Medicaid need to look into which centers deliver the greatest amount of rehabilitation for the longest period of time to reap the utmost benefits of such a drug and alcohol rehabilitation program.