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.

The subspecialty of interventional pain management aims to help patients who are suffering from all types of pain by using invasive interventions. This may include anything from nerve blocks to implantable drug delivery systems to spinal cord stimulation. This kind of treatment is often helpful for patients who have long-lasting pain that cannot be easily managed with medication or other means of pain management. Therefore, these treatments are usually reserved for those with serious pain problems.

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.