A cardiologist can work independently with an independent practice or for a medical institution. A Cardiologist's primary role is to assist patients with the treatment and diagnosis of heart health and conditions.  They work with a patient's primary care physician and other doctors to devise a 

workable medical strategy. A Cardiologist usually works long and irregular hours and may frequently travel between different hospitals.

To become an anesthesiologist, one requires a commitment of both and resources. First, you need to complete a bachelor’s degree in a field like pre-medicine, biology, or chemistry.  Then you can apply to medical school and earn a medical degree and a license. But before

being able to work independently, you must complete residency and work under experienced anesthesiologists to learn skills and observe. It is a long and exhaustive process and usually requires up to 12 to 13 years of medical training.

Orthodontists are responsible for examining, diagnosing and fixing any dental abnormalities relating to the position of the jaw and teeth. They straighten the structure of the teeth, fix crooked smiles, and adjust bite positions using braces and retainers.

As we’ve seen with other professions in dentistry, the pay off is well worth your time if you can qualify.

It takes a great deal of schooling to become a psychiatrist. After high school, aspiring psychiatrists must earn a bachelor’s degree, which usually takes four years.  This is followed by four years of medical school and then a four-year residency program. Some psychiatrists

also complete fellowship programs for additional training.

Surgeons are highly regarded medical professionals who are required to perform advanced procedures on patients.  Surgeons have to go through years of education and on-the-job training to be able to operate on patients independently. Surgeons can divide their

workings into two parts; office hours and operative hours. During office hours, they meet with patients, figure out the best treatment option for the patient, and discuss the patient and staff procedure.