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
| IL | MI | MN | WI |
|
WPS Medicare Part B MSP/Financial P.O. Box 999 Marion, IL 62959 - 0911 |
WPS Medicare Part B Medicare Secondary Payer P.O. Box 5511 Marion, IL 62959 - 0945 |
WPS Medicare Part B MSP/Financial 8120 Penn Ave. S., Suite 200 Bloomington, MN 55431 - 1326 |
WPS Medicare Part B MSP/Financial P.O. Box 6611 Marion, IL 62959 - 0999 |
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 ![]()


