I'm so sorry to hear you are still feeling bad. Please call your doctor to let them know your symptoms are continuing and you are still having fevers. Hopefully they can see you today and get you feeling better.
We can understand how frustrating this is for you and your family and we are so sorry that you are going through this.
Are you in the same city as your parents? Can you be there when your mom is examined? Can your mom change the paper work to include you as someone who can access her healthcare information?
Due to HIPPA laws the doctors and staff may not be able to talk with your regarding your mom's care. But many offices have forms that designate who can access your records and talk with doctors and staff about care. It may be as easy as asking for the form and having your mom include you.
You are correct, insurance can be confusing. I am so sorry you have been struggling with your health and trying to find affordable care.
Does your employer offer any other group plans that you may be eligible for? Group insurance offers more coverage than individual insurance. And, click here for information to research free or affordable health care.