These lab doctors identify the causes of diseases by examining body tissues and fluids under microscopes.

These doctors care for the elderly. They can treat people in their homes, doctors' offices, nursing homes, assisted-living centers, and hospitals.

Specialize in managing diseases of the gastrointestinal tract: the stomach, intestines, esophagus, liver, pancreas, colon, and rectum.

These doctors make life-or-death decisions for sick and injured people, usually in an emergency room. Their job is to save lives and to avoid or lower the chances of disability.

They care for children from birth to young adulthood. Some pediatricians specialize in pre-teens and teens, child abuse, or children's developmental issues.

These are specialists in the nervous system, which includes the brain, spinal cord, and nerves. They treat strokes, brain and spinal tumors, epilepsy, Parkinson's disease, and Alzheimer's disease.

You would see these doctors for problems with your small intestine, colon, and bottom. They can treat colon cancer, hemorrhoids, and inflammatory bowel disease. They also can do a colonoscopy and other tests for colon cancer.

They care for people who are critically ill or injured. You might see them if your heart or other organs are failing or if you've been in an accident.

These people help women with their lives. They help women through child birth and other things needed for women to be done.

You would see these specialists for problems like lung cancer, pneumonia, asthma, emphysema, and trouble sleeping caused by breathing issues.

They're experts on the heart and blood vessels. You might see them for heart failure, a heart attack, high blood pressure, or an irregular heartbeat.

a physician who specializes in diagnosing and treating disorders of the skin