First time, even after sending in online all in of insurance cards and brining in handwritten prescription procedure and Medicare ID;s needed - couldn't find me on the computer. Rescheduled could not

I am on MediCare with Unitied Healthcare. There is no deductable for either. I just tried got a bill with NO INVOICE or reference information. I call the billing department and 3 times this morning. W

Don't go here. It took me three visits to get a simple chest Xray. There were 5, 10, and 25 people waiting on my three visits, and twice they told me it would be 45 minutes, although I had an appointm