Repair Abuses of MSP Payments (RAMP) Act This bill restricts the private right of action against insurance plans that do not provide appropriate primary payment in cases in which Medicare is a secondary payer. Current law allows for a private right of action against primary plans that do not provide appropriate primary payment in cases in which Medicare is a secondary payer; this provision applies to group health plans, workers' compensation plans, automobile or liability insurance plans, and no-fault insurance plans. The bill limits this provision to group health plans.