Forms Download... PMSI MSA Services Downloadable forms The following forms are available for you to download and use as needed. Simply find the form you need and click on the ICON for the format of your choice. Most forms are available in either pdf or word format.   Form for Requesting Social Security Information Social Security This release allows us to verify Social Security/Medicare status.   CMS Release Form Center for Medicare & Medicaid Services This release allows us to seek CMS approval + verify lien status.   Assignment Form HAI Assignment Sheet This form is a printable version of our online assignment form. You may fill out and fax these forms to us as needed.