Can't give you a thumbs up on the rehab I went to but it did get me out of a bad situation for over a month and time to sort things out in my head. I think I had a similar insurance situation. They agreed before I went in to take only what the insurance paid and never billed me my deductible or out of pocket portion. If inpatient rehab interests you call around and find one that works with you. I ended up only paying a couple of hundred bucks for my flight and an off sight doctors bill for an unrelated illness that was spreading around the facility. They even provided transportation to and from the airport.
You can get through this. You just need to stop the self loathing and start taking responsibility for your well being. I know easier said than done.
Anyway, Hang in there and good luck!