You have this a little backwards, drug companies do not receive payment from the insurance company, and they do not pay the pharmacy.
The supply chain for legend drugs in the U.S. normally goes this way: Drug Manufacturers (Glaxosmithkline, Pfizer, Teva, Mylan, etc) sell to a drug wholesaler (Mckesson, Cardinal), who then sell to the local pharmacies (Rite Aid, CVS, Wallgreens, and your local independent), who then sell to you, the patient.
The Pharmacies are then reimbursed by the insurance company for the drug in question. Now, how much they pay for the drug, and how much they get reimbursed can be hard to explain… I’ll try the best I can, at least enough for you to get the general idea.
First, you need some definitions for some terms:
[ul]
[li]AWP: Average Wholesale Price = the average price throughout the country that wholesalers sell the drug for (to people without contracts)[/li][li]AAC: Actual Acquisition Cost = What it actually cost the pharmacy to acquire the drug.[/li][li]Dispensing fee: The fee paid to pharmacies by insurance to reimburse them the cost of dispensing (toner, ink, vial, cap, bag, tech time to type and fill, pharmacist time to check and council, profit, etc)[/li][/ul]
Ok, now pharmacies negotiate a contract with the wholesaler to find out how much below AWP they will actually be charged. This amount is normally a percentage, so what they pay for a drug could change day to day. This is especially noticeable with generics, and one of the reasons your pharmacy might change the generic you are given. An average chain might get a contract for something like AWP minus 15% to 18%. This sets up the pharmacies AAC.
A pharmacy also signs a contract with the health insurance companies, determining the rate they get reimbursed. This is also normally set by AWP. Now, the insurance companies know that no one actually buys at AWP, and the AAC can be quite a bit lower. So, an average contract between a pharmacy and an insurance company might list rates such as AWP minus 10% plus $1.50 dispensing fee.
Now, to see it from the pharmacies point of view, the problem they are having is that the insurance companies keep fighting to lower the reimbursement rate to the pharmacy. This fight is led many times by the state governments who keep lowering the Medicaid reimbursement rates in their states (the state governments don’t sign contracts, they set their reimbursement rate, and the pharmacy takes it or leaves it) in order to help control Medicaid spending. The insurance companies don’t like paying that much more then Medicaid is willing to pay, so when Medicaid lowers their reimbursement, the insurance companies do the same next time the contract comes up for renewal. The pharmacies are caught in the middle, expected to keep filling the scripts, for less and less money. It will get to the point that pharmacies will not be able to keep their doors open for the amount they are getting paid to fill your script, even now, there are times that filling an Rx actually costs the pharmacy money, and doesn’t make any. There was actually a big to-do in Delaware when Wallgreens stopped accepting Delaware Medicaid customers after Delaware lowered their reimbursement rate a little too far.
As you can see, it can be really hard to pin down exactly what the cost of your medication REALLY is, since none of these terms have anything to do with the “cash price” listed on your receipt. For people without insurance, most pharmacies have discount cards, or plans, or some have cheap generics.
I hope this helped explain some of the ways that legend drugs are priced and sold here.