Bad service and unfair treatment

I was involved in an accident last year. Netcare picked me up and took me to the hospital. I as then sent two invoices with different amounts when i inquired I was told to ignore one of the invoices and only pay the one with the highest amount. I then communicated with one of the consultants and told them that i couldn't settle the amount at a go, i could only pay in monthly installments. the consultant then sent me an agreement form for the payment method. <br> <br> I filled the form in and sent it back to the consultant.Every month I have been paying an amount of R500 every month to Netcare. To my surprise today i received a threatening email stating that my case had been taken to the attorneys and that I was supposed to settle the balance or else I will be blacklisted.<br> <br> dealing with netcare has been the most unpleasant experience, firstly I was billed a ridiculous amount (I was ******). I had a lip laceration but the paramedics didn't care to even give me something to help with bleeding or remove the soil particles on my lips. The Accident happened less than 20km from the hospital they took me to but yet i was still charged R6288.83. In future I don't EVER WANT TO USE NETCARE 911