KanCare, the program through which the State of Kansas administers Medicaid, has an alert highlighted in red on the top of their web site eligibility page. It states, "members may receive a call or letter to confirm their immigration status. Members must respond promptly.
According to the KanCare web site Citizenship and Immigrant Status – "You must be a citizen or immigrant with a certain status. Some immigrants must wait 5 years before they can get coverage. For information see Fact Sheet: Non-Citizen Applicants. Verification of citizenship and identity is required for some individuals. See the Citizenship and Identity Requirements fact sheet for more information.
The state explained how to update information by going to "ApplyForKanCare.ks.gov, or calling 1-800-792-4884."