The IRS computers will generally match your numbers to the forms they received from others. It can take a couple years but you may hear from them if the numbers do not match. Be sure to include as much documentation with your tax return as possible and to save a copy.
Contact both the original lender and Wells Fargo. Ask for payment records and to get a revised 1098. Don't forget to look at the closing statement you received at the end of escrow for any payments which can be itemized.
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