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Medicare Secondary Payer (MSP)

Medicare Secondary Payer Phone Number

(866) 503-9694
8:00 am to 4:00 pm CT M-F
MSP Addresses for Checks and Refunds
IA KS MO NE
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8820
Marion, IL 62959-0902
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8830
Marion, IL 62959
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8860
Marion, IL 62959-0906
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8850
Marion, IL 62959-0905
MSP Addresses for General Inquiries
IA KS MO NE
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8550
Madison, WI 53708-8550
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 7238
Madison, WI 53707-7238
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 14260
Madison, WI 53708-0260
WPS Medicare Part B
Medicare Secondary Payer
P.O. Box 8667
Madison, WI 53708-8667

Medicare Secondary Payer Information

Changes to the Medicare Secondary Payer Record
How to Determine if Medicare is the Primary or Secondary Payer
Important Notice for Electronic Medicare Secondary Payer (MSP) Submitters
Medicare as Secondary Payer and Liability Situations
Medicare Secondary Payer Claims
Medicare Secondary Payer (MSP) Fact Sheet
Understanding the Remittance AdviceAdobe Portable Document format

Page Last Updated: Friday, 03-Feb-2012 14:11:11 CST