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 nephrologist is a medical professional who specializes in diagnosing and treating diseases and disorders that affect the kidneys. Nephrologists are often referred to as kidney specialists. Some nephrologists also do research that helps them learn more about kidney diseases, so they can produce better treatments for their patients.

Pain management is a wide branch of medical study, and it can include a complete range of different therapies for those suffering from pain. Since pain can come from many parts of the body for different reasons, the solutions will differ greatly. Some doctors will prescribe pain medication to their patients, but in recent years, there has been a push to explore more medication-free pain management options, such as physical therapy, surgery, and even acupuncture and other alternative therapies.

A Physical Medicine & Rehabilitation Specialist is a healthcare professional who uses mechanical movements, manual movements, and exercise to help treat patients. They use various treatment methods to help their patients deal with pain and even learn to walk or move certain muscles or parts of the body again. They work closely with another medical professional to diagnose and treat patients properly.