Addiction psychiatrists specialize in treating substance abuse and impulse control disorders.

Advanced heart failure and transplant cardiologists provide complete care for end-stage heart failure and heart transplant patients.

Allergists and immunologists diagnose and treat allergies, asthma, and immunologic and immunodeficiency disorders.

Anesthesiologists manage pain sensation and relief for surgical patients by administering anesthesia.

Cardiac electrophysiologists diagnose and manage treatment of arrhythmia (irregular heartbeat).

Cardiothoracic surgeons perform surgeries on the lungs, esophagus, heart and other chest organs.

Cardiologists treat conditions and diseases of the heart, arteries and veins.

Cardiovascular surgeons perform surgeries on the heart and major blood vessels.

Child and adolescent psychiatrists treat mental illness as well as emotional and behavioral disorders in children, preteens and teenagers.

Colon and rectal surgeons, or colorectal surgeons, treat diseases of the intestines, rectum and anus.

Critical care medicine specialists, also known as intensive care medicine specialists, diagnose and treat critically ill and injured patients.

Dental specialists provide comprehensive care for patients needing additional care such as dental implant surgery.

Dermatologists diagnose and treat diseases of the skin, hair and nails.

Dermatopathologists diagnose skin diseases at a microscopic and molecular level.

Diagnostic radiologists use a variety of noninvasive imaging scans to diagnose and treat patients.

Endocrinologists treat patients with endocrine and metabolic disorders.

Family medicine doctors provide comprehensive care to patients of all ages.

Foot and ankle orthopedic surgeons specialize in diagnosing and treating complex foot and ankle disorders.

Gastroenterologists treat the digestive system, which includes the stomach, intestines, liver, pancreas and gallbladder.

General surgeons perform surgery for a full range of medical conditions in the main areas of the body.

Bariatric surgeons perform weight-loss surgery.

Geriatric medicine doctors specialize in diagnosing, treating and preventing disease and disability in elderly adults.

Geriatric psychiatrists treat mental health disorders in elderly adults.

Gynecologic oncologists treat cancers of the female reproductive system.

Gynecologists (not obstetricians) treat disorders of the female reproductive system.

Hand surgeons treat orthopedic conditions of the hand, wrist and forearm.

Hand plastic surgeons perform reconstructive hand surgery.

Hematologists/oncologists diagnose and treat blood cancers and disorders.

Infectious disease specialists treat contagious diseases caused by bacteria, viruses, fungi and parasites.

Internal medicine doctors are primary care physicians who treat common medical conditions.

Interventional cardiologists provide catheter-based treatment of cardiovascular diseases.

Interventional neuroradiologists use minimally invasive image-based technologies to diagnose and treat diseases of the head, neck and spine.

Interventional radiologists use imaging technologies to diagnose and treat diseases.

Joint replacement surgeons, also known as orthopedic surgeons, specialize in hip, knee and shoulder replacement surgery.

Maternal fetal medicine specialists treat women with high-risk or complicated pregnancies.

Nephrologists specialize in treating kidney diseases.

Neurological surgeons perform surgical treatment for brain and nervous system disorders.

Neurologists treat brain and nervous system disorders.

Obstetricians/gynecologists (OBGYNs) specialize in women's overall reproductive health, including pregnancy, childbirth and menopause.

Occupational medicine doctors practice the prevention and treatment of work-related injury, disability and illness.

Ophthalmologists manage complete eye and vision care.

Optometrists provide vision care including sight testing and correction.

Oral and maxillofacial surgeons diagnose and treat conditions, diseases and injuries of the face, jaws, teeth and neck.

Orthopedic surgeons provide care and surgery of bones, joints, ligaments, tendons, muscles and nerves.

Orthopedic trauma surgeons specialize in treating fractures and other bone, joint and spine injuries.

Orthopedic surgeons treat diseases and injuries of the musculoskeletal system including bones, joints, ligaments, tendons, muscles and nerves.

Otolaryngologists (ENT doctors) provide treatment of the ear, nose, throat, head and neck.

Otolaryngologists/neurotologists provide medical and surgical treatment of diseases affecting the ears, balance system, skull base and more.

Pain management doctors specialize in the diagnosis, treatment and prevention of acute and chronic pain.

Palliative care specialists specialize in pain relief and improving the quality of life for patients with curable, chronic or life-threatening illnesses.

Pediatricians manage the physical, behavioral and mental health care of children.

Pediatric allergists specialize in the diagnosis and treatment of allergies, asthma and immunologic disorders in children.

Pediatric cardiologists specialize in treating heart disorders in children.

Pediatric dermatologists diagnose and treat disorders of the skin, hair and nails in children.

Pediatric nephrologists diagnose and treat kidney disorders in children.

Pediatric neurologists diagnose and treat disorders of the brain and nervous system in children.

Pediatric ophthalmologists diagnose and treat diseases and disorders of the eyes in children.

Pediatric orthopedic specialists treat conditions and injuries of the bones and musculoskeletal system in children.

Pediatric otolaryngologists, also called pediatric otorhinolarynologists (ENT doctors), treat the ear, nose, throat, head and neck in children.

Pediatric otolaryngologists, also called pediatric otorhinolarynologists (ENT doctors), treat the ear, nose, throat, head and neck in children.

Pediatric pulmonologists diagnose and treat breathing problems and lung diseases in children.

Physical medicine/rehab doctors, also known as physiatrists, treat a wide variety of medical conditions affecting the brain, spinal cord, nerves, bones, joints, ligaments, muscles and tendons.

Plastic surgeons perform operations to reconstruct or enhance facial and body tissue.

Podiatrists treat disorders of the foot, ankle and lower leg.

Preventive medicine doctors specialize in helping patients achieve well-being and prevent illness.

Psychiatrists diagnose and treat mental, emotional and behavioral disorders.

Pulmonary disease specialists diagnose and treat diseases of the lungs and airways.

Radiation oncologists specialize in using radiation therapy to treat cancer.

Reproductive endocrinologists/infertility specialists diagnose and treat infertility related to hormone dysfunction.

Rheumatologists treat inflammation and pain in the joints, muscles and connective tissue caused by autoimmune diseases and musculoskeletal pain disorders.

Sleep medicine specialists diagnose and treat a variety of sleep-related conditions.

Spine surgeons specialize in managing neck pain, scoliosis and other spine disorders.

Sports medicine doctors specialize in the prevention, diagnosis and treatment of sports-related injuries.

Surgical oncologists specialize in the surgical treatment of cancers.

Thoracic surgeons specialize in the surgical treatment of the lungs, esophagus, trachea and chest.

Transplant hepatologists perform liver transplant surgeries.

Hand and upper extremity surgeons treat conditions of the hand, wrist and forearm.

Urologists specialize in diseases of the both the male and female urinary tract and the male reproductive system.

Urogynecologists specialize in female pelvic medicine and reconstructive surgery.

Vascular surgeons treat diseases that affect the arteries, veins and lymphatic systems.