Yes, you can attend rehab with no private health insurance. There are plenty of options for those needing rehab who do not have insurance, including cash or self-payment, Medicaid, and more. In 2019, the mostly commonly accepted payment types at rehabilitation centers were cash or self-payment (90 percent), private health insurance (73 percent), and Medicaid (68 percent). Some treatment centers also reported accepting state-financed health insurance plan other than Medicaid (49 percent), federal military insurance (38 percent), Medicare (37 percent), and IHS/Tribal/Urban funds (12 percent).