My girlfriend runs a medical provider company that bills through most major health insurance companies. One of these companies (a large, well-known insurer) wil

My girlfriend runs a medical provider company that bills through most major health insurance companies. One of these companies (a large, well-known insurer) will only accept payment requests by fax, M-F, 8am to 5pm. Yes, I'm serious. They still have a fax machine, and it gets unplugged everyday at 5pm.