... claims for medical equipment and supplies through four durable medical equipment regional carriers (DMERCs). Each DMERC processes durable medical Balance Billing for DMEPOS 2 OEI-07-99-00510 equipment ... Balance Billing for DMEPOS 1 OEI-07-99-00510 INTRODUCTION PURPOSE To determine the effects and level of Medicare beneficiary awareness of balance billing for durable medical equipment and ... Balance Billing for Medical Equipment and Supplies APPENDIX A Confidence Intervals for Key Estimates We calculated confidence intervals for seven key estimates. The point estimate and 95...