Allergist or Immunologist - conducts the diagnosis and treatment of allergic conditions.
Anesthesiologist - treats chronic pain syndromes; administers anesthesia and monitors the patient during surgery.
Cardiologist - treats heart disease
Dermatologist - reats skin diseases, including some skin cancers.
Gastroenterologist - treats stomach disorders.
Hematologist / Oncologist - treats diseases of the blood and blood-forming tissues (oncology including cancer and other tumors).
Internal Medicine Physician - treats diseases and disorders of internal structures of the body.
Nephrologist - treats kidney diseases.
Neurologist - treats diseases and disorders of the nervous system.
Neurosurgeon - conducts surgery of the nervous system.
Obstetrician - treats women during pregnancy and childbirth.
Gynecologist - treats diseases of the female reproductive system and genital tract.
Nurse-Midwifery - manages a woman's health care, especially during pregnancy, delivery, and the postpartum period.
Occupational Medicine Physician - diagnoses and treats work-related disease or injury.
Ophthalmologist - treats eye defects, injuries, and diseases.
Oral and Maxillofacial Surgeon - surgically treats diseases, injuries, and defects of the hard and soft tissues of the face, mouth, and jaws.
Orthopaedic Surgeon - preserves and restores the function of the musculoskeletal system.
Otolaryngologist (Head and Neck Surgeon) - treats diseases of the ear, nose, and throat,and some diseases of the head and neck, including facial plastic surgery.
Pathologist - diagnoses and treats the study of the changes in body tissues and organs which cause or are caused by disease.
Pediatrician - treats infants, toddlers, children and teenagers.
Plastic Surgeon - restores, reconstructs, corrects or improves in the shape and appearance of damaged body structures, especially the face.
Podiatrist - provides medical and surgical treatment of the foot.
Psychiatrist - treats patients with mental and emotional disorders.
Pulmonary Medicine Physician - diagnoses and treats lung disorders.
Radiation Onconlogist - diagnoses and treats disorders with the use of diagnostic imaging, including X-rays, sound waves, radioactive substances, and magnetic fields.
Diagnostic Radiologist - diagnoses and medically treats diseases and disorders of internal structures of the body.
Rheumatologist - treats rheumatic diseases, or conditions characterized by inflammation, soreness and stiffness of muscles, and pain in joints and associated structures.
Urologist - diagnoses and treats the male and female urinary tract and the male reproductive system.