Medigap - Part B
Due to the transition of all Crossover trading partners to the COBC, WPS Medicare no longer has crossover lists available. For a list of current trading partners and their contact information, please visit the CMS Website at http://www.cms.hhs.gov/COBAgreement/Downloads/Contacts.pdf 
. Providers are advised to not use the COBA ID's that appear on the listing for paper or electronic claim submission. Please see the list of Medigap numbers for our jurisdiction contained on this site.
Page Last Updated: Monday, 09-Jun-2008 13:18:40 CDT
