Cancelled my Medical Aid, just like that!

I moved companies, and was under the impression that my medical aid would automatically debit from my account after my company stopped paying. I received an email stating that my membership was cancelled yesterday. Phoned to resolve, and was told how to resolve it on the phone, but it did sound a little complicated (two days before Christmas, this is a little stressful). All I was sent was a document on how to make manual payments - no other information. Not how much I need to pay, nothing about whether my membership would be reinstated or where to send my banking details, nothing to make it easier for me... I've had endless troubles with Discovery Insure, Discovery Health and Discovery Card and am considering cancelling everything. As a loyal member for years, I'm appalled at this terrible and REALLY EXPENSIVE service. They still can't even get my phone number right. Shocking!