What Is PDP Health Insurance? 
PDP health insurance refers to Medicare Part D prescription drug plans . This type of coverage is a supplemental benefit plan added to your original Medicare coverage -LRB- Part A & Part B -RRB- to cover the costs of prescriptions - it 's often paired with Medigap plans . The idea of adding a Medigap plan and a Part D plan to your original Medicare coverage is to create a predictable healthcare expense structure . I hope the information is helpful - please feel free to contact me for help with your program or if you have any other questions . Thanks very much . 