Education
To become a doctor in this field, you will have to obtain a bachelor's degree from a medical school, then complete a three year residency program. An additional one to three years of training is also needed (according to the Association of American Medical Colleges).
Training
The training an internal medicine doctor must obtain includes diagnosis and treatment of infections, cancers and diseases that are affecting the patient's major body systems.
Subspecialties
Some of the specialties one could get into in the internal medicine physician field include geriatric medicine, infectious diseases, oncology and cardiology. It was also reported by the American College of Physicians, that other subspecialties include adolescent medicines, endocrinology and gastroenterology medicine.
Work Settings
Some of the places you could work as an internal medicine doctor, include hospital and private practice settings. They are also known to work as primary care physicians and consultants for other doctors.
Salary
As of 2008, the Association of American Medical Colleges reported that the average salary of internal medicine doctors was between $175,000 and $210,000.