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.
Internist: A physician who specializes in diagnosis and treatment, as opposed to surgery and obstetrics, of diseases of the internal organs. Nephrologist: A physician that specializes and treats kidney disease. Neurologist: A specialist who treats conditions involving the brain and the nervous system. Oncologist: A doctor who specializes in treating cancer. Opthalmologist: A doctor who specializes in the treatment of the eyes and eye-related disorders.