Hi Jill! Ok great. I would recommend going ahead and registering for a PECOS log in, it makes all of this easier in the future! 🙂 For Wisconsin, you are in Jurisdiction 6 for Medicare Part B, and your Medicare Part B MAC is National Government Services (NGS). Their enrollment inquiry number is: 877-908-8476. Here is a link to their contact info page: For Medicare DME (this is the part of Medicare that pays for sleep appliances), you are in Jurisdiction B, and your MAC for wisconsin is CGS. Their provider contact number is: 866-590-6727. Here is a link to their contact info page: Medicare DME enrollment goes through the National Supplier Clearinghouse (NSC) which is managed by palmetto. Their numbmer is: 866.238-9652. Here is a link to their site: Hope this helps!
