An MD PT SAFE 4105409210 credit card charge most likely refers to the Maryland Patient Safety Center, which now uses the Mid-Atlantic Patient Safety Center (MPSC) name. The strongest identification clue is the telephone number. The number 410-540-9210 appears on MPSC’s official website and in the federal directory for its patient-safety organization. The payment could… Continue reading MD PT SAFE 4105409210 Credit Card Charge: What Is It?