Q, you should be interested in this website
http://www.graduateleverage.com/medical-residency-IBR-salary.aspx
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Public Service Loan Forgiveness
In addition to
IBR, there is another government program that provides loan forgiveness and is available to medical residents. It is called Public Service Loan Forgiveness (PSLF). The majority of
medical residents are uniquely positioned to benefit from the Public Service Loan Forgiveness Program. This program provides tax-free forgiveness for a borrower's outstanding balance after the borrower has made 120 qualifying payments on his/her federal loans. Medical residents often meet the employment qualification criteria because many are employed by nonprofit hospitals or universities. This provides
medical residents an opportunity to essentially earn credit towards forgiveness during their medical residency. Following medical residency, employment opportunities at nonprofit entities such as hospitals, hospital-owned practices, and universities provide ample opportunities for physicians to complete the program requirements without sacrificing career or lifestyle aspirations."
If this is accurate, then, if you have high debt, you will benefit significantly by your residency being in a non-profit hospital (which is likely). You then only have to consolidate your non-PLUS and non-Perkins loans into a federal direct loan and you are qualified for IBR (income based repayment). For 3 years, this makes the loans tax-free. After your residency, you just make sure that you work full-time for a non-profit (shouldn't be hard for a doctor) and continue the IBR - which will go up to 15% of your salary after you file taxes in your first attending year. After 7 more years, all the rest of the loans are forgiven.
Let me know if I missed anything, but I don't think that I have.