No, you haven't been banned. Were you having issues accessing your My MedHelp page (is this what you mean by not being able to get into your account)? Please try again and let us know if you're still experiencing issues.
Thanks,
MedHelp
If you can't log in, how are you here?
You can click on CONTACT US at the bottom of any page, if you are having trouble. But when you are banned, you can't log in at all.