Physician Directory - Specialty Descriptions Following is a list of physician specialties followed by descriptions. Once you find the specialty you are looking for, click on one of the following links to find a physician. - Find a physician by name. Find a physician by location. Find a physician by specialty. Using This Database: Click on the black triangles on the title bar to change the sort order. Click on a blue triangle to expand or collapse that category. Specialty Description The Nephrologist is concerned with disorders of kidney, high blood pressure, fluid and mineral balance, dialysis of body wastes when the kidneys do not function, and consultation with surgeons about kidney transplantation. Nephrology is a medical specialty concerned with the kidneys and their structure, functions, or diseases. Expand  |  Collapse