Acceptable Attachment File Extensions for Risk Adjustment Inquiries


As a reminder, CMS is sending this notification to inform Medicare Advantage Organizations (MAOs) that the Risk Adjustment Operations (riskadjustmentoperations@cms.hhs.gov) and the Risk Adjustment Policy (riskadjustmentpolicy@cms.hhs.gov) mailboxes accept only certain formats for attached files. All attachments should be sent in one of the following formats: bmp, csv, docx, eml, jpg, msg, pdf, png, pptx, rtf, txt, xlsx and zip.

In the event you have questions, please contact CSSC Operations at 1-877-534-2772 (option 2) or by email at csscoperations@palmettogba.com


Last Updated: 04/20/2023