Unhappy with the communication and treatment

I was using them as I was working, this year I got retrenched in August still I communicated with them that I Wanto to continue with the medical aid, as long as they will reduce my installment, I was asked to email so many papers which I did, for 5 days, no one contacted me to advise on the plan I'll be in, end of August an a out of 2000 was deducted from my account, I was shocked because it's the same amount as the company and me were contributing, I reversed the debit order, still no one phoned me, month of September they tried to deduct double the amount, which they failed a week after a lady from financial department sent me an email to make arrangements to pay, I rep**** to the email that someone must phone and explain some concerns I had, no one till this day phoned me from momentum, I guess they just don't care.