The Centers for Medicare and Medicaid Services (CMS) has issued information on how to prepare for your Medicare Part B Carrier’s transition to a Part A/B Medicare Administrative Contractor. Per CMS, “This article is intended to assist all providers that will be affected by Medicare Administrative Contractor (MAC) implementations. The Centers for Medicare & Medicaid Services (CMS) is providing this information to make you aware of what to expect as your FI or carrier transitions its work to a MAC. Knowing what to expect and preparing as outlined in this article will minimize disruption in your Medicare business.”