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.

A nurse practitioner is a registered nurse who has gone through additional training to provide more advanced medical and diagnostic care to patients with all different kinds of illnesses. These medical professionals generally hold at least a master’s degree, so they have a comprehensive basis of medical knowledge to help patients suffering from chronic and acute conditions. They may work in hospitals, intensive care units, hospice centers, and even doctor’s offices, depending on their specialty.

Optometry is a medical profession that deals with the eyes and eye health. Optometrists can look at patients’ eyes to address abnormalities or irregularities as well as diagnose diseases of the eye. These doctors may also refer patients to surgeons who can correct eye problems. While optometrists do also focus on helping people find corrective lenses that can improve their vision, their focus extends far beyond glasses and contacts to include overall eye health, including management of eye diseases.

An orthopedic doctor is a medical professional who has the education and skill to treat patients who are suffering from problems affecting the orthopedic system – bones, joints, muscles, ligaments, tendons, and nerves. They can diagnose health problems, repair broken bones, and help treat pain and mobility disorders caused by health problems or illnesses.