You'll need the person's Social Security number and certified copies of their death certificate for most agencies and programs. Social Security and Medicare.Date Final Account Due. Social Security Number. Reporting a death to the credit bureaus places a "deceased do not issue credit" flag on their credit report. Request a current copy of the decedent's credit report. 3. Send the notification letter and death certificate copy to the bureaus. Please note: For all account types, we require a death certificate. Most credit card companies write off the debt owed when the card holder is deceased. It usually only takes one phone call.