Having my health insurance deductible waived?

I'm currently seeing a chiropractor and will be for the foreseeable future. I was told today that if we do eight visits at forty a piece totaling three hundred and twenty dollars my insurance would waive the rest of my nine hundred deductible as a hardship. Is this possibly true? If so why?
Update: To clarify the lady who told me this said they would waive it due to something about hardship circumstances. Also, I don't think they are trying to pull one over me. This guy comes highly recommended and I know many people who have gone to him for years. If it is any help I use cigna as my insurance provider.
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