This may, or may not be, the carrier's confirmation number.
Wait for a letter in 7-10 days. You don't have to do anything.
If your application is accepted by CMS, will mail you a member Medicare Advantage card and other important plan information
If you chose automatic withdrawal from your benefit check, this may take up to 90 days to begin. It will not cover any premiums for which we already invoiced you. Please pay your premium by check until we stop sending you an invoice.