The California Department of Managed Health Care (DMHC) is responsible for regulating health plans. You can call the DMHC Help Center for help with complaints about Medi-Cal services. You may contact the DMHC if you need help with a complaint involving an urgent issue or one that involves an immediate and serious threat to your health, you disagree with our plan’s decision about your complaint, or our plan has not resolved your complaint after 30 calendar days.