Nonprofit credit counseling agencies that offer debt management plans can negotiate lower interest rates and lower monthly payments and offer a consolidated monthly payment for the following types of debts: Current or old Credit Card Debt Medical bills Collection accounts Old utility bills Old cell phone bills Payday loans Signature loans Repossession debts While not possible to negotiate a lower balance or interest rates, the following debts and obligations can also be consolidated into your monthly payment: Past due student loans, child support payment, and back taxes may be added onto a repayment plan.