Denied claim more than halfway through treatment but my responsibility is 0$

So this is tricky. I've been doing TMS which is a treatment for depression and I'm about 23 treatments in. I was pre-authorized for this treatment by my former psychiatrist and chief of psychiatry at the hospital I'm receiving these treatments at. Originally the insurance said they didn't think it was medically necessary but they had a meeting with the psychiatrist and he appealed on my behalf and the treatment was approved. I was sent a notice in the mail that these treatments are approved. But about a week ago, a notice appeared on the receptionists computer when checking me in that the hospital is not contracted with the insurance or something along those lines. I know that's kind of vague, I still need to work some things out . Then re ently I noticed that all of my claims are in process and in fact one of the claims was denied but yet my responsibility is 0$. Essentially I'm super scared I'm going to get billed though. Is there a chance they are going to bill me even if it says my responsibility is 0$?

submitted by /u/chronic_laziness
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