A/B MAC (A) - Ambulance Services - Medicare Part A -

100.12.3 - A/B MAC (A) - Ambulance Services - Medicare Part A - Payment Policy (Rev. 1040, Issued: 08-25-06, Effective: 09-11-06, Implementation: 09-11-06) If an inpatient is transferred to another hospital for services under arrangement, the ambulance services are not billable to Medicare. Reimbursement for such services is part of the inpatient stay and payment is included in the IPPS payment based on the DRG.