Bacterial identification is a process which is used to pinpoint the identity of specific bacteria. It is an important part of medical treatment, since many treatments are heavily dependent on the identity of the particular organism causing a medical problem, and it is also an important part of scientific research.acterial identification is a process which is used to pinpoint the identity of specific bacteria. It is an important part of medical treatment, since many treatments are heavily dependent on the identity of the particular organism causing a medical problem, and it is also an important part of scientific research.