CMS Medicare Secondary Payer (MSP)

Medicare Secondary Payer (MSP): What is MSP?

What should I look for?

There are many different types of MSP calls. This lesson provides guidelines that will help you with most MSP calls. However, always use your judgment when applying these guidelines.

Follow these steps to identify MSP calls:

Step 1

Step 2

Step 3

Step 1 graphic

Listen and look for clues

Step 2 graphic Ask probing questions, if necessary

Step 3 graphic

Decide if it is an MSP call.

On the following screens, you will learn about two types of clues to look for:

Clues in a letter that the caller received
Clues related to a specific claim

All clues are also included in a guide entitled, "Clues for Identifying MSP Calls" in the CSR Toolkit.