The Internal Medicine programs at Banner Good Samaritan Medical Center  include categorical internal medicine, preliminary medicine, and combined medicine-pediatrics.  Each program is fully integrated with the Phoenix Veterans Affairs Medical Center. Banner Good Samaritan is a major teaching affiliate of the University of Arizona School of Medicine. Accordingly, all faculty members at Banner Good Sam hold academic positions from the University. Approximately one-third of the University of Arizona medical students completes their core clinical and elective rotations at Banner Good Sam. 

The categorical medicine program provides 36 months of training in internal medicine. The program is designed to train physicians who will enter the field of general internal medicine or one of the subspecialties. Residents are exposed to patients from many different socioeconomic backgrounds who have a variety of common and uncommon medical problems. The program is designed to provide the residents with abundant elective time. This allows the house officer to explore his or her individual interests. Elective time is spent in both the inpatient and outpatient settings. Required rotations include emergency medicine, neurology, geriatrics, ambulatory medicine and a research month. The program matches for 18 interns per year for a total of 54 categorical residents.