Don’t let a payment system glitch delay your reimbursement. The problem: HHH Medicare Administrative Contractor National Government Services “has experienced issues with electronic files downloaded by some of our trading partners (those who receive electronic files directly from NGS),” the MAC says. The solution: “If you are experiencing any issues with the files you have downloaded from NGS during the time period of 3/18/2024 through 3/25/2024, please complete and submit the EDI E-MAIL INQUIRY FORM and we will restage the files,” the MAC instructs.