I've heard of some docs (anesthesiology-pain) compounding their own medications for pump refills. Of course everything is done sterile. They say especially in light of the whole issue with sending out pump refills to compounding pharmacies that the only person they trust is themselves. I thought this was interesting as I'd never heard of it, always thought we had to send it out to a pharmacy to get it done. They state they do it in the office, when the patient arrives for refill, they mix the medication themselves, and then do the refill. They've done this for years, so I'm also assuming that they bill for the medications themselves? How does this work? Anyone know?