Medicare Secondary Payer
Welcome to the WPS Medicare Medicare Secondary Payer (MSP) Web page.
Medicare Secondary Payer Phone Numbers
| IL | MI | MN | WI |
|
(866) 345-0275 7:00am to 4:00pm CST M-F |
(866) 345-0275 7:00am to 4:00pm CST M-F |
(866) 380-4742 8:00am to 4:00pm CST M-F |
(877) 908-8475 8:00am to 4:00pm CST M-F |
Medicare Secondary Payer Addresses
Checks
| IL | MI | MN | WI |
|
WPS Medicare Part B MSP P.O. Box 999 Marion, IL 62959 - 0911 |
WPS Medicare Part B MSP P.O. Box 5511 Marion, IL 62959 - 0945 |
WPS Medicare Part B MSP P.O. Box 7711 Marion, IL 62959-0901 |
WPS Medicare Part B MSP P.O. Box 6611 Marion, IL 62959 - 0999 |
Correspondence
| IL | MI | MN | WI |
|
WPS Medicare Part B MSP P.O. Box 4433 Marion, IL 62959-0924 |
WPS Medicare Part B MSP P.O. Box 5533 Marion, IL 62959-0965 |
WPS Medicare Part B MSP 8120 Penn Ave. S., Ste 200 Bloomington, MN 55431-1326 |
WPS Medicare Part B MSP P.O. Box 1787 Madison, WI 53701-1787 |
News & Highlights
Notice - Provider Notification Related to Crossover with Rejection Code H21084
National Coordination of Benefits Contractor (COBC) Process 
Medicare and the Medicaid Trading Partner Process
