You need other information from the 1099-R form besides the federal ID number. You cannot complete your tax return without the 1099-R. If you have online access to your TIAA-CREF account, see if you can access a copy of your 1099-R. If you can't get it tonight, you will have to contact TIAA-CREF to get a copy of the 1099-R, and file your tax return late. If you getting a refund there is no penalty for filing late for your federal tax return and most states.