Hello and thank you for writing to us. I am sorry to hear you panic attacks are so consuming. Too bad your insurance disrupted your past system for keeping them at bay. Traditionally, if a med like klonopin worked for you in the past, it may well work again. You can look at your current insurance provider's website to locate psychiatrists and counselors who can help you get this back under control. Because of the severity, I would propose psychiatry as opposed to your primary care doctor. although primary care providers should be able to help manage anxiety and can be easier to get in to see.
I am proud of you for reaching out here. It does seem like you need to seek ongoing professional assistance for this due to your explanation of how bad your anxiety it. That can be so consuming and difficult to live with. Have hope that once you reestablish care with someone under your new insurance and get back on your med, the panic attacks should respond. i do also recommend you consider counseling in addition to the meds to continue to work on the roots of this anxiety. An alternative to your insurance website where you can search counselors and psychiatrists and also sort by insurance is below...
Hope this helps! please let me know if you have any questions.