Hospital Keeping track of services, medications, supplies, and insurance info is a nightmare.
It would be a good idea to create a simple to read list of things as they occur. Below is a sample I feel is at least a good start. Farther below is another sample form that could be used to keep track of medical issues throughout treatment. You should absolutely have some way of matching medical bills with services because the insurance companies and hospitals do not make it easy. If you have an HMO or Primary care physician you will likely need some sort of referral to get treatment from the many other doctors you will be dealing with.