I am an AT&T retiree and I carry my mother as a class II dependent on my insurance and Caremark is the pharmarcy AT&T has chosen for drug coverage. Recently (1/1/09)Medicare signed my mother up for AARP Medicare RX plan, without our knowledge. When we tried to get medication for her, Caremark denied her medications, because they said Caremark had to be the primary insurance company. My mother is an 80 year old, insulin dependent diabetic, who takes narcotics for permenant nerve damage due to shingles. Caremark did not bother to inform... read full review »