A gastroenterologist is a healthcare professional who has been educated and trained to treat patients who are experiencing health problems or have diseases that affect the gastrointestinal tract and liver. They also diagnose and treat diseases that affect the esophagus, stomach, small intestine, colon, rectum, pancreas, gallbladder, bile ducts, and liver.

A general surgeon is a medical professional who performs surgery on patients. General surgeons typically perform common surgeries and have attended college and medical school to learn the skills needed to perform them successfully. They also care for their patients before and after operations and can give an accurate prognosis after the surgery is complete and the patient has had time to heal.

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 neurosurgeon is a surgeon who specializes in the brain and neurological system. They diagnose and treat disorders of the central and peripheral nervous system. They work closely with neurologists and other medical professionals to provide the best medical care possible to their patients. Some neurosurgeons also specialize in other areas or in specific health problems, diseases, or disorders.

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.

An orthopedic doctor is a medical professional who has the education and skill to treat patients who are suffering from problems affecting the orthopedic system – bones, joints, muscles, ligaments, tendons, and nerves. They can diagnose health problems, repair broken bones, and help treat pain and mobility disorders caused by health problems or illnesses.