Health Insurance Program. In a study done by Joanna Bisgaier, MSW, from the Department of Emergency Medicine, University of Pennsylvania Dentists in the USA are much more likely to offer an appointment to children with private health insurance than those in the combined Medicaid/CHIP. Out of 170 paired calls to 85 dental practices, 41 of them participating in the Medicaid program some of the results showed: 36.5% of Medicaid/CHIP beneficiaries got an appointment 95.4% of privately insured Blue Cross children got an appointment Of the dental practices that were enrolled in the Medicaid program, Medicaid/CHIP beneficiaries were 18.2 times more likely to be turned down for an appointment compared to the Blue Cross children