Checking your State Board of Pharmacy web site is a good place to start. You can see if they are registered with your state as a drug distributor.

Name of Facility: Mercy

City, State: Springfield MO

Years as a Buyer: 7

Thanks for the advice! I checked it out and turns out they aren't licensed in as many states as they claim, including Wisconsin, Minnesota, and Illinois.

Name of Facility: Sacred Heart Hospital

City, State: Eau Claire, WI

Years as a Buyer: 2