They treat diseases in the ears, nose, throat, sinuses, head, neck, and respiratory system. They also can do reconstructive and plastic surgery on your head and neck.

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

They diagnose and treat infections in any part of your body, like fevers, Lyme disease, pneumonia, tuberculosis, and HIV and AIDS. Some of them specialize in preventive medicine or travel medicine.

They use X-rays, ultrasound, and other imaging tests to diagnose diseases. They can also specialize in radiation oncology to treat conditions like cancer.

You call them eye doctors. They can prescribe glasses or contact lenses and diagnose and treat diseases like glaucoma. Unlike optometrists, they're medical doctors who can treat every kind of eye condition as well as operate on th...

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.

These are surgeons who care for men and women for problems in the urinary tract, like a leaky bladder. They also treat male infertility and do prostate exams.

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

specialize in the treatment and care of patients who have cancer

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.

These doctors can operate on all parts of your body. They can take out tumors, appendices, or gallbladders and repair hernias. Many surgeons have subspecialties, like cancer, hand, or vascular surgery.

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