Complete the blank agreement (CMS-460) and submit it with your Medicare enrollment application to your MAC. Section 10.16 is added to address supplemental payments to MCOs for wraparound services for outpatient drugs and biological products for STAR.The credentialing process ensures we affiliate with quality physician and nonphysician providers of medically necessary services. This Participating Provider Agreement (together with all Attachments and amendments, this "Agreement"). Upline will perform the services identified in their contract and outlined in Molina's Medicare. The credentialing process ensures we affiliate with quality physician and nonphysician providers of medically necessary services. A sample contract (PDF) is available to ensure you are meeting the requirements as an OptOut Provider. Provider shall make the Books and. Health and Human Services Commission (HHSC). This Certificate of Coverage ("Certificate") is part of the Group Agreement ("Group Agreement") between the.