Not to pile on to this, but in case you needed a reason to hate on CVS even more, CVS contains: retail pharmacy, specialty, mail order, PBM, GPO, health clinic, health and dental insurance (Aetna), and more. People think CVS is just Rx, but they are involved in most health biz.Not to pile on to this, but in case you needed a reason to hate on CVS even more, CVS contains: retail pharmacy, specialty, mail order, PBM, GPO, health clinic, health and dental insurance (Aetna), and more. People think CVS is just Rx, but they are involved in most health biz.