If you’ve pulled the NSLDS records, that is usually the most detailed information readlily accessible. For purposes of loan forgiveness, the amounts paid don’t really matter, just that you were in repayment and making payments. My concern with your comment is that you “filed the waiver”...
the default status is removed from your credit report, and your credit score begins to recover. This can open up doors to better credit opportunities in the future, such as lower interest rates
For FFEL and private student loans: Borrowers are advised to look up these loans through the National Student Loan Database System (NSLDS) via the Federal Student Aid website. Log in with your FSA credentials to review your student loans. You can click on a loan number to view details, ...