You
may call them simply doctors. But most doctors have extra expertise in
one type of medicine or another. In fact, there are several hundred
medical specialties and subspecialties. Here are the most common types
of doctors you'll likely see.
Allergists/Immunologists
They treat immune system disorders such as asthma, eczema, food allergies, insect sting allergies, and some autoimmune diseases.
Anesthesiologists
These doctors give you drugs to numb your pain or to put you under during surgery, childbirth, or other procedures. They monitor your vital signs while you’re under anesthesia.
Cardiologists
They’re experts on the heart and blood vessels. You might see them for heart failure, a heart attack, high blood pressure, or an irregular heartbeat.
Colon and Rectal Surgeons
You would see these doctors for problems with your small intestine, colon, and bottom. They can treat colon cancer, hemorrhoids, and inflammatory bowel disease.
Critical Care Medicine Specialists
They
care for people who are critically ill or injured, often heading
intensive care units in hospitals. You might see them if your heart or other organs are failing or if you’ve been in an accident.
Dermatologists
Have problems with your skin, hair, nails? Do you have moles, scars, acne, or skin allergies? Dermatologists can help.
Endocrinologists
These are experts on hormones and metabolism. They can treat conditions like diabetes, thyroid problems, infertility, and calcium and bone disorders.
Emergency Medicine Specialists
These
doctors make life-or-death decisions for sick and injured people,
usually in an emergency room. Their job is to save lives and to avoid or
lower the chances of disability.
Family Physicians
They
care for the whole family, including children, adults, and the elderly.
They do routine checkups and screening tests, give you flu and immunization shots, and manage diabetes and other ongoing medical conditions.
Gastroenterologists
They’re specialists in digestive organs, including the stomach, bowels, pancreas, liver, and gallbladder. You might see them for abdominal pain, ulcers, diarrhea, jaundice, or cancers in your digestive organs. They also do a colonoscopy and other tests for colon cancer.
Geriatric Medicine Specialists
These
doctors care for the elderly. They can treat people in their homes,
doctors' offices, nursing homes, assisted-living centers, and hospitals.
Hematologists
These are specialists in diseases of the blood, spleen, and lymph glands, like sickle cell disease, anemia, hemophilia, and leukemia.
Hospice and Palliative Medicine Specialists
They
work with people who are nearing death. They’re experts in pain
management. They work with a team of other doctors to keep up your
quality of life.
Infectious Disease Specialists
They diagnose and treat infections in any part of your body, like fevers, Lyme disease, pneumonia, tuberculosis, and HIV and AIDS. Some of them specialize in preventive medicine or travel medicine.
Internists
These
primary-care doctors treat both common and complex illnesses, usually
only in adults. You’ll likely visit them or your family doctor first for
any condition. Internists often have advanced training in a host of
subspecialties, like heart disease, cancer, or adolescent or sleep
medicine. With additional training (called a fellowship), internists
can specialize in cardiology, gastroenterology, endocrinology,
nephrology, pulmonology, and other medical sub-specialties.
Medical Geneticists
They diagnose and treat hereditary disorders passed down from parents to children. These doctors may also offer genetic counseling and screening tests.
Nephrologists
They treat kidney diseases as well as high blood pressure and fluid and mineral imbalances linked to kidney disease.
Neurologists
These are specialists in the nervous system, which includes the brain, spinal cord, and nerves. They treat strokes, brain and spinal tumors, epilepsy, Parkinson's disease, and Alzheimer's disease.
Obstetricians and Gynecologists
Often called OB/GYNs, these doctors focus on women's health, including pregnancy and childbirth. They do Pap
smears, pelvic exams, and pregnancy checkups. OB/GYNs are trained in
both areas. But some of them may focus on women's reproductive health
(gynecologists), and others specialize in caring for pregnant women
(obstetricians).
Oncologists
These internists are cancer specialists. They do chemotherapy treatments and often work with radiation oncologists and surgeons to care for someone with cancer.
Ophthalmologists
You call them eye doctors. They can prescribe glasses or contact lenses and diagnose and treat diseases like glaucoma. Unlike optometrists, they’re medical doctors who can treat every kind of eye condition as well as operate on the eyes.
Osteopaths
Doctors
of osteopathic medicine (DO) are fully licensed medical doctors just
like MDs. Their training stresses a “whole body” approach. Osteopaths
use the latest medical technology but also the body’s natural ability to
heal itself.
Otolaryngologists
They treat diseases in the ears, nose, throat, sinuses, head, neck, and respiratory system. They also can do reconstructive and plastic surgery on your head and neck.
Pathologists
These lab doctors identify the causes of diseases by examining body tissues and fluids under microscopes.
Pediatricians
They care for children from birth to young adulthood. Some pediatricians specialize in pre-teens and teens, child abuse, or children's developmental issues.
Physiatrists
These specialists in physical medicine and rehabilitation treat neck or back pain and sports or spinal cord injuries as well as other disabilities caused by accidents or diseases.
Plastic Surgeons
You might call them cosmetic surgeons. They rebuild or repair your skin, face, hands, breasts, or body. That can happen after an injury or disease or for cosmetic reasons.
Podiatrists
They care for problems in your ankles and feet.
That can include injuries from accidents or sports or from ongoing
health conditions like diabetes. Some podiatrists have advanced training
in other subspecialties of the foot.
Preventive Medicine Specialists
They
focus on keeping you well. They may work in public health or at
hospitals. Some focus on treating people with addictions, illnesses from
exposure to drugs, chemicals, and poisons, and other areas.
Psychiatrists
These doctors work with people with mental, emotional, or addictive disorders. They can diagnose and treat depression, schizophrenia, substance abuse, anxiety disorders, and sexual and gender identity issues. Some psychiatrists focus on children, adolescents, or the elderly.
Pulmonologists
You would see these specialists for problems like lung cancer, pneumonia, asthma, emphysema, and trouble sleeping caused by breathing issues.
Radiologists
They use X-rays, ultrasound, and other imaging tests to diagnose diseases. They can also specialize in radiation oncology to treat conditions like cancer.
Rheumatologists
They specialize in arthritis and other diseases in your joints, muscles, bones, and tendons. You might see them for your osteoporosis (weak bones), back pain, gout, tendinitis from sports or repetitive injuries, and fibromyalgia.
Sleep Medicine Specialists
They
find and treat causes behind your poor sleep. They may have sleep labs
or give you take-home tests to chart your sleep-wake patterns.
Sports Medicine Specialists
These doctors diagnose, treat, and prevent injuries related to sports and exercise.
General Surgeons
These
doctors can operate on all parts of your body. They can take out
tumors, appendices, or gallbladders and repair hernias. Many surgeons
have subspecialties, like cancer, hand, or vascular surgery.
Urologists
These are surgeons who care for men and women for problems in the urinary tract, like a leaky bladder. They also treat male infertility and do prostate exams.
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