To estimate the relationship between physicians' acceptance of new Medicaid patients and access to health care.
The National Ambulatory Medical Care Survey () Electronic Health Records Survey and the National Health Interview Survey () 2011/2012.
Linear probability models estimated the relationship between measures of experiences with physician availability among children on Medicaid or the Children's Health Insurance Program () from the and state‐level estimates of the percent of primary care physicians accepting new Medicaid patients from the , controlling for other factors.
Nearly 16 percent of children with a significant health condition or development delay had a doctor's office or clinic indicate that the child's health insurance was not accepted in states with less than 60 percent of physicians accepting new Medicaid patients, compared to less than 4 percent in states with at least 75 percent of physicians accepting new Medicaid patients. Adjusted estimates and estimates for other measures of access to care were similar.
Measures of experiences with physician availability for children on Medicaid/ were generally good, though better in states where more primary care physicians accepted new Medicaid patients.