MD5 is a one-way hashing algorithm. If you take plain text and run it through the hashing algorithm, it produces a hash string such as the one in the question. If you take a file and compare it to...
There is no simple answer to this question. Each encoding or encryption will have an associated decoding/decryption. In order to figure out the original message you need to at least know how it was...
Without knowing how it was encoded or what information it contains, no. At first glance it appears to be an MD5 hash, which is (practically) impossible to convert back into its original form.
I would say yes, if it's an a doctor's office. I always use one at my office. Sometimes it is just 99211 if the patient only sees the nurse for the injection.