Dental Providers that accept Medicaid. You can apply for Medicaid in any one of the following ways: Write, phone, or go to your local department of social services.To apply for Medicaid, Illinois residents can visit the Application for Benefits Eligibility website to start the health care coverage application. Why Choose Cook County Health for Dental Care? Create an account with the Health Insurance Marketplace and fill out an application. For example, dentists who wish to enroll in their State Medicaid Program are typically required to complete multiple credentialing applications. CountyCare covers all medically necessary Medicaid covered services, along with some additional benefits for our members. Please keep in mind, people who qualify for Medicaid or other public healthcare programs cannot sign up for CareLink. Individuals interested in CEDA FsACE programs, must complete an intake process with CEDA which determines their eligibility to receive services. What if I have a dental emergency?