A Medicare Supplement (Medigap) policy is health insurance sold by private insurance companies to fill the gaps in Original Medicare Plan coverage. Medigap policies help pay some of the health care costs that the Original Medicare Plan doesn't cover.
Internal Medicine encompasses the care of all adults, healthy and sick. Internists (as all doctors who complete an internal medicine residency are called) can be generalists or subspecialists, like cardiologists or rheumatologists. If you choose not to subspecialize, you are known as a General Internist.
An internist is similar to a primary care physician, but the only patients they are able to treat are adults. They work in the area as a family or general doctor. Conditions Treated by an Internist. In this field, you will be required to provide prevention and non-surgical treatments for chronic and complex diseases that are found in adults, such as high blood pressure, diabetes and heart disease.