Alison Evans Cuellar

Introduction US states have struggled to expand access to primary care for Medicaid members, and the conventional wisdom is that low reimbursement rates are a deterrent to clinician participation.1 To date, studies of Medicaid payment rates have focused on fee-for-service (FFS) rates, even though 85% of Medicaid members have managed care coverage.1 Moreover, states’ ability to evaluate the adequacy of their rates is constrained by limited information on other payers.