CMS is warning providers that approximately 47,000 Medicare patients will receive new Medicare Beneficiary Identifier (MBI) cards after a recent data breach.
 
Home health Medicare administrative contractors recently warned agencies about frequent errors when submitting NOAs and claims with an old MBI.
 
CMS notes in its update that agencies should ask for the  Ask your patient for their new Medicare card if you get “invalid member ID” when checking Medicare eligibility. Access your Medicare Administrative Contractor’s secure internet portal to use the MBI look-up tool if your patient didn’t get a new Medicare card yet.