Esculating medical co contributions

I have been with Fedhealth for 20 years I am now a woman of 73 yrs old. The amount that they charge for contributions has gone up and up to the extent that next year I will be paying R3336 and that is not the most expensive plan. For that money all they pay for your day to day expenses is a network GP. No specialists no xrays no medication nothing. I think that it is quite ridiculous to be paying all that amount every month. If I thought I could change medical aids I would but because of my age I dont think its possible