Hi I Am 56b Years Ols And Need Aolot Of

hi i am 56b years ols and need aolot of differnt tests done such as colonoscopy hyperthyroiisn presently untreated ,because my mother died young of colon cancer thyroid problems run in my fwmily. i find it impossibeto coordinqte thge right doctor for me. i have great insurance . i dont know where to strt. I live in Acton, MA