New Medicare Beneficiary Identifiers Due to Breach

MBI Breach Update

Place this as HIGH priority for your check in process or data gathering for new as well as established patients. CMS announced, “Patient’s Medicare Beneficiary Identifier (MBI) May Change” due to a recent breach. CMS estimates the MOVEit  breach impacted approximately 612,000 current Medicare beneficiaries. They are mailing out approximately 47,000 new Medicare cards. What to do if the patient’s MBI changes information available here. Steps for checking Medicare Eligibility can be found in the MLN 8816413 or at your local MAC portal .