An internist or Internal Medicine doctor is someone who specializes in diagnosing and treating illnesses, diseases, and health problems. Most internists are also primary care doctors and treat patients on a regular basis. They can diagnose and treat common illnesses or more serious problems. Most people see an internist regularly. Those with chronic illnesses may do so on a monthly or even weekly basis. Internists are the most common types of doctors.

A nephrologist is a medical professional who specializes in diagnosing and treating diseases and disorders that affect the kidneys. Nephrologists are often referred to as kidney specialists. Some nephrologists also do research that helps them learn more about kidney diseases, so they can produce better treatments for their patients.

An ophthalmologist is a healthcare professional who has been trained to treat eye diseases and other conditions that affect the eyes. They diagnose and treat these issues and can even conduct surgery to help repair certain condition. They also conduct eye exams and help patients find the right glasses or other ways to improve their vision.

A vascular surgeon is a medical professional who has been trained to diagnose and treat diseases of the vascular system. The vascular system is made up of blood vessels and veins. It helps blood get to the organs, and if something stops the blood from flowing properly, organs can suffer and patients can become extremely sick. Vascular surgeons can help fix any vascular problems that may occur including blockage of Carotids, blockage of leg arteries,aortic aneurysms and varicose veins.