. >> doug hoy is a ceo for the national community pharmacists association. he blam price gouging. they serve as a middleman between insurance providers and pharmacies. they often set the price you pay. >> they dictate the price. >> here is how it works. when you use an insurance card, the pharmacist punches the information into the computer. and in the amount comes out that you owe. the insurance co-pay. >> they dictate with a pharmacy can sell it for. insurance co-pay, is set and was much higher than the cash price example, the antidepressant -- $67 with insurance. only $25 cash. example, another for kidney stones. nearly $59 for the insurance co- pay. just over $40 paying cash. $18 cheaper. >> we show them what we found. >> another example. inud antibiotic. >> the co-pay, $46. the cash price, $27. >> my son needed the exact same drug. the same thing happened. fortunately, i knew to ask. so i got the much less expensive price. >> too often, customers don't know to ask. and believe it or not, pharmacist are not supposed to tell them. >> why can't pharmacists just cheaper if you pa