All mail order suppliers are very interested in having you buy from them. They will all handle all your paperwork. They will contact your doctor; file all the necessary billing to your insurance company(s). Most of them handle all manufacturers products. Most of them will ship a three months supply. Some will ship one month at a time if you need shipments that way. All of them are Medicare Approved. A few can handle Medicaid.

These suppliers will also keep track of discontinued products that could affect your needs.