An anesthesiologist is someone who anesthetizes patients. They can help sedate patients and put them under for surgeries or other medical procedures. They help prepare their patients for procedures and make sure they are not experiencing any pain or fear associated with the treatment or procedure they are undergoing. They work closely with other doctors, surgeons, and specialists to ensure that patients are being treated properly.

Geriatric medicine focuses on the health of elderly people. As they age, many people experience age-related health problems, such as fragile bones, skin problems, and issues with eyesight and hearing. Doctors who specialize in geriatric medicine can provide services and solutions for many of these problems. Not only do these physicians treat potential problems, but they also work with patients as they age to help them maintain health, mobility, and quality of life.

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.