Social Security Questions? Ask a Social Security Expert
Hi. If it is a replacement card, she needs to show one proof of identity, choosing from the following:
If she does not have these, they will accept such items as employee i.d., certified copy of medical records, etc.
Here is some information - https://www.ssa.gov/forms/ss-5.pdf
Has she visited the local social security office - here is a link to find one near her - https://secure.ssa.gov/ICON/main.jsp
Let me know if you have any questions.