59 Different Types of Doctors & Their Specializations

59 Different Types of Doctors & Their Specializations

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Types of Doctors

Types of Doctors: In a nutshell, medical professionals, or simply doctors, help in the diagnosis, management, and treatment of various diseases. Hence, if you have ever become so ill that you had to visit a doctor, you know exactly how important their job is.

When dealing with a specific health illness, it is vital to provide the best possible medication and treatment. To do that, one needs to determine which type of medical professional is suited to treat that condition. But the medical field, like in any other fields in the industry, is made up of different types of doctors and specialists.

Their intense and rigorous medical training have demanded them not only to master at least the basics of scientific discipline which include anatomy, cell biology, physiology, epidemiology, pharmacology, nutrition, and so on but also to specialize in their chosen specific field.

To give an overview, below is a list of the complete & comprehensive 59 different types of doctors & healthcare professionals (both medical and non-medical) and the area they specialize in.

Types of Doctors (Medical)


  • allergist

    #1 Allergist

    An allergist is a healthcare professional who specializes in the identification and treatment of asthma, allergies, and related diseases. In addition to that, an allergist is also trained in determining the factors that trigger such diseases.
  • Anathesialogist

    #2 Anaesthesiologist / Anasthesiologist / Anesthesiologist

    Anaesthesiologists play a major decisive role in pain management. As their name suggests, anesthesiologists are physicians trained in anesthesiology or the science of administering anesthesia to patients during the surgeries. Before (most) surgeries anesthesia is given to either relieve the pain or put them to sleep in the course of the operation. Pain management specialist is the medical doctor who helps the patients for ongoing pain management for chronic conditions.
  • Andrologist

    #3 Andrologist

    An Andrologist is the male equivalent of a gynecologist; they are concerned with helping their male patients with urological, sexual, and reproductive problems that are unique to men.
  • cardiologist

    #4 Cardiologist

    Cardiologists are medical professionals that examine and treat illnesses associated with the cardiovascular system which includes the heart and blood vessels. They also help their patients learn about their risk factors for heart disease and determine what treatment or procedure should they undergo. A pediatric cardiologist is a specialized physician within cardiology who treats and diagnoses heart complication in children. Cardiologists who specialize in cardiac catheterization, angioplasty, and stenting treatment and diagnosis are usually called Interventional cardiologists.
  • Cardiac Electrophysiologist

    #5 Cardiac Electrophysiologist

    A cardiac electrophysiologist is a cardiologist who is specialized in the heart’s electrical system that includes treating heart rhythm issues such as atrial fibrillation.
  • dermatologist

    #6 Dermatologist

    Dermatologists are health professionals primarily focused on the diagnosis of conditions associated with the skin, hair, nails. Aside from that, they could also provide you several treatments that deal with everything from acne treatment to anti-aging procedures.
  • Emergency Doctor

    #7 Emergency Medicine / Emergency (ER) Doctors

    Emergency doctors care for patients with an immediate medical attention such as acute illnesses or injuries from accidents, and they would undertake acute interventions to stabilize the patient.
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    #8 Endocrinologist

    An endocrinologist is a medical doctor under the category of internal medicine, who studies the diseases that affect the endocrine system which is responsible for secreting and regulating the body’s hormone levels.
    Reproductive Endocrinologist treats both women and men with infertility issues.
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    #9 Epidemiologist

    An epidemiologist studies the causes and patterns of diseases in a population or area, and make efforts to prevent epidemics/pandemics from reoccurring. They are more of scientists rather than doctors who specialize in the epidemic illness which is highly viral (such as new diseases) and provide or develop cures and also modes of prevention of diseases with vaccinations.
  • Family Medicine Physician

    #10 Family Medicine Physician

    Physicians who specialize in family medicine are knowledgeable in and can treat a wide range of medical diseases of patients of all ages. In general, a physician specialized in this field is a pediatrician and an internist combined into one. They also referred as hospitalists.
  • gastroenterologist

    #11 Gastroenterologist

    As their name suggests, gastroenterologists are medical professionals focused on the diagnosis and treatment of diseases of the gastrointestinal (digestive) tract which include the stomach, small and large intestines, pancreas, and liver.
  • geriatrician

    #12 Geriatrician

    A Geriatrician takes care of older adults. Because of their declining immunity that arises with senility and their multiple health complications, the elderly need to be highly taken care of.
  • Hyperbaric Physician

    #13 Hyperbaric Physician

    Hyperbaric physicians/doctors are medical doctors trained in hyperbaric medicine such as providing hyperbaric oxygen (HBO – higher pressure of Oxygen than what we see in the air around us) therapy for conditions such as decompression illness and carbon monoxide poisoning from fire fumes.
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    #14 Hematologist

    A hematologist is a specialist in hematology which is the study of blood, blood-forming organs, and blood-related diseases. Typical hematologist deals with the treatment of blood disorders and malignancies, including types such as hemophilia, leukemia, lymphoma and sickle-cell anemia.
  • hepatologist

    #15 Hepatologist

    A hepatologist is a specialized doctor dealing with the study, prevention, diagnosis and management of diseases that affect the liver, gall-bladder, biliary tree, and pancreas. The term hepatology is derived from the Greek words “hepatikos” meaning liver and “logia“, meaning study.
  • Immunology

    #16 Immunologist

    An immunologist is a medical professional who investigates and studies the physiological processes and functions of the body’s immune system. This knowledge is then applied in the diagnosis and treatment of a range of diseases that affect the said system.
  • Infectious Disease Specialist

    #17 Infectious Disease Specialist

    Infectious disease specialist (medical doctor) who treats and diagnose complex infections such as HIV or TB. Check out the top 15 deadliest bacterial diseases here.
  • intensivist

    #18 Intensivist

    An intensivist is a medical doctor specialized in training and treating critically ill patients in ICU (Intensive Care Unit). They are also referred as a critical care physician or critical care medicine specialist.
  • Physiology

    #19 Internal Medicine Specialist

    An Internal Medicine Specialist is also called internist, who specializes in the management and treatment of chronic adult illnesses through non-surgical procedures like pain relievers and anesthetics.
  • Oral Surgeon

    #20 Maxillofacial Surgeon / Oral Surgeon

    Maxillofacial Surgeons are dentists who trained in surgery of the mouth and jaw. These doctors specialize in treating and reconstructing areas of the face, head, or neck after an injury or surgery.
  • geneticist

    #21 Medical Geneticist

    A medical geneticist is trained in general medicine, genetic diagnosis, and the treatment of patients with genetic disorders. They use molecular genetics, cytogenetics, and biochemical tests to treat patients with a comprehensive molecular and clinical approach. Check out the genetic testing pros & cons here.
  • neonatologist

    #22 Neonatologist

    A neonatologist is a type of pediatrician who specializes in the medical care of newborn infants, particularly the critically ill premature and full-time newborn infants.
  • Nephrologist

    #23 Nephrologist

    Nephrologists are trained medical doctors in the diagnosis and treatment of diseases of the kidney and urinary systems, such as inflammation of the kidneys, kidney biopsy, dialysis, chronic kidney disease, or cancer. For kids, there are pediatric nephrologists, who only treat children.
  • neurologist

    #24 Neurologist

    A neurologist is a doctor who specializes in the diagnosis and treatment of the diseases that affect the nervous system (brain, spinal cord, and the neurons). For instance, people who are dealing with problems with their senses may also consult a neurologist because such problems may sometimes be caused by disorders of the system. A Clinical Neurophysiologist is a specialized with neurology who diagnoses any difficulty dealing with the central, peripheral and autonomic nervous system with the aid of electrophysiological tests.
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    #25 Neurosurgeon

    Although they also deal with the diagnosis and treatment of nervous system disorders like what neurologists do, neurosurgeons are licensed to operate and perform surgeries on the patient’s brain.
  • Nuclear Medicine Specialist

    #26 Nuclear Medicine Specialist

    Nuclear medicine specialists are trained medical doctors who administer radioactive medicines for diagnosis and treatment of specific conditions that include bone scans, lung perfusion scans, & HIDA scans for gallbladder function, etc.
  • gynecologist

    #27 Obstetrician/Gynecologist (OB/GYN)

    Commonly abbreviated as OB/GYN, an obstetrician/gynecologist is a combination of two doctors rolled into one. An obstetrician is a doctor trained in managing pregnancy, labor, and childbirth. On the other hand, a gynecologist is a doctor specialized in the female reproductive system. Primatologist is a specialized doctor within OBGYN who treats patients with a high-risk pregnancy. Gynecologic oncologists are medical specialists who treat and diagnose women who have cancers in reproductive organs such as ovaries, uterus, etc.
  • Occupational Medicine Specialist

    #28 Occupational Medicine Specialist

    An occupational medicine specialist is a medical doctor who trained in providing continuous care for injured workers and helping them to get back to work. They also support organizations to maintain safe and healthy workplace (Occupational medicine).
  • oncologist

    #29 Oncologist

    Coming from the Greek word “onkos” which means “tumor” or “mass“, oncology is the branch of science that deals with cancers. Hence, oncologists are medical doctors who specialize in the diagnosis, prevention, and treatment of cancer. There are four important sub-divisions within Oncologist profession namely: medical oncologist (chemotherapy or medications), a surgical oncologist (surgical procedure of a variety of tumors), radiation oncologist (megavoltage X-rays or radionuclides) and pediatric oncologist (physician specialized in childhood cancer).
  • ophthalmologist

    #30 Ophthalmologist

    Unlike optometrists, who are also “eye doctors”, ophthalmologists can perform surgeries in the eyes. And because they can perform operations on the eyes, they are considered as both medical and surgical specialists.
  • Orthopedic Surgeon

    #31 Orthopedic Surgeon / Orthopedist

    Orthopedic surgeons (aka Orthopedist) are doctors specially trained to diagnose, treat, and operate patients with diseases and injuries of the musculoskeletal system (which includes the muscles, bones, ligaments, tendons, and the nerves). Hand surgeons specialize in performing surgery for hand-related injuries and complications.
  • otolaryngologist

    #32 Otolaryngologist (also ENT Specialist)

    An otolaryngologist is a type of physician who specializes in managing and treating patients with various disorders of the Ear, Nose, and Throat. In addition to that, they also diagnose diseases that affect related structures like the head and neck.
  • Parasitology

    #33 Parasitologist

    Parasitologists deal with parasites (microorganisms like bacteria, viruses, worms, and insects) that could either live temporarily or permanently, on or inside the human body.
  • Pathologist

    #34 Pathologist

    A pathologist is a trained medical doctor who performs autopsies in the examination of tissue (such as a mole) and blood samples to diagnose a disease and produces a pathological report. A pale pathologist is a doctor that studies ancient diseases. A forensic pathologist is a medical doctor who performs autopsies to find the cause of death when the crime is involved in the scene.
  • perinatologist

    #35 Perinatologist

    A perinatologist is a specialized doctor concerned with the care of the fetus and complicated, high-risk pregnancies. Perinatology sometimes referred as maternal-fetal medicine.
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    #36 Periodontist

    A periodontist is a doctor who specializes in oral health care. Also, a periodontist can even diagnose and treat periodontal disease (gum disease) and is involved in the placement of dental implants.
  • pediatrician

    #37 Pediatrician

    A pediatrician is involved in the management of the physical, emotional, and mental health of their young patients. Pediatricians focus on infants, children, teenagers, and young adults (up to 21 years old). The pediatricians who treat teenagers sometimes referred as Adolescent medicine specialist. A developmental pediatrician specializes in treating children with disabilities such as autism, cerebral palsy, down-syndrome, ADHD, etc.
  • Physiatrist

    #38 Physiatrist

    A physiatrist is a medical physician who specializes in helping patients to recover function after trauma such as a stroke, or surgery.
  • Plastic Surgeon

    #39 Plastic Surgeon

    Plastic surgeons are specialized medical doctors in surgery that improve a person’s outlook such as surgery for a birth defect (e.g., cleft palate), or surgery following an injury or the removal of cancer, such as breast implant surgery after breast removal (mastectomy).
  • psychiatrist

    #40 Psychiatrist

    Unlike typical physicians who spend most of their time in the medical field, psychiatrists tend to occupy a more frequent place in the research field. Instead of examining the physical attribute of a person, a psychiatrist studies and tries to interpret his/her patient’s behavior and cognitive process.

    Addiction psychiatrists are specialized medical specialists within psychiatrists who treat people with addictions problems such as substance abuse (alcohol, illegal drugs, etc.)

  • pulmonologist

    #41 Pulmonologist

    A pulmonologist is a medical professional whose expertise falls on pulmonary (lungs) and other respiratory tract illnesses and diseases. These type of doctors have a broad scope of specialization as they can treat almost everything from asthma to tuberculosis.
  • radiologist

    #42 Radiologist

    A radiologist is a medical professional specially trained to diagnose and treat their patients by interpreting test results from medical imaging techniques. Such techniques include x-rays, magnetic resonance imaging (MRI), computed tomography (CT) scan, and positron emission tomography (PET).
  • rheumatologist

    #43 Rheumatologist

    A rheumatologist is a pediatrician, who specialized in in the diagnosis and treatment of musculoskeletal disease and systemic auto-immune conditions commonly referred to as rheumatic diseases.
  • sleep doctor

    #44 Sleep Doctor / Sleep Disorders Specialist

    A sleep doctor is a medical doctor specialized in diagnosis & treatment of sleep-related disorders as such as Obstructive Sleep Apnea (OSA).
  • Spinal Cord Specialist

    #45 Spinal Cord Injury Specialist

    Spinal cord injury specialists are rehabilitation medical doctors who specialize in the diagnosis and treatment of people with spinal cord injuries.
  • Sports Doctor

    #46 Sports Medicine Specialist

    Sports medicine specialists are trained medical doctors in the treatment of people who have injuries to their bones, muscles, joints, tendons, or ligaments that result from physical activity (such as Sports). The injuries include cartilage tears, ligament ruptures of the knee, and shoulder, knee or wrist problems.
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    #47 Surgeon

    A surgeon is a physician trained in performing operations that involve the treatment of injuries, removing infected body parts, and the reconstruction of missing or damaged tissues or organs. Medical doctors who specialize in the surgery of colon/rectum are called as colon and rectal surgeons.
  • Thoracic Surgeon

    #48 Thoracic Surgeon

    Thoracic Surgeon is specialized in chest, heart, and lung surgeries. Thoracic surgeons may further specialize in one area, such as heart surgery or lung surgery, or in a sub-specialty of that area, such as coronary artery bypass surgery.
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    #49 Urologist

    Urologists are doctors who specialized in the diagnosis and treatment of disorders that affect the male and female urinary tract. In addition to that, urologists are also knowledgeable in treating patients with prostate cancer, and other diseases that affect sexual health and fertility.
  • Vascular Surgeon

    #50 Vascular Surgeon

    Vascular surgeons are medical physicians who specialize in the diagnosis, medical management, and surgical treatment of diseases with the blood vessels (vascular diseases).
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    #51 Veterinarian

    While all other doctors are responsible for treating humans, the veterinarians are responsible for the treatment of sick animals.

Other Types of Doctors / Health Professionals (Non-Medical)


  • Audiologist

    #1 Audiologist

    An audiologist specializes in the study of hearing, balance, and other auditory disorders. Primarily audiologists provide a professional patient-centered care to minimize the adverse impacts of these diseases not only to the physical, mental, social, and psychological but also overall well-being of the person.
  • chiropractor

    #2 Chiropractor

    A chiropractor specializes in the diagnosis and treatment of neuromuscular disorders. Unlike regular neurologists or neurosurgeons, chiropractors treat patients through manual manipulation and adjustment of the spine.
  • diagnostician

    #3 Diagnostician

    A Diagnostician is also referred as medical diagnostician who studies the medical symptoms and reports of patients to diagnose the disease.
  • microbiologist

    #4 Microbiologist

    Microbiologists are scientists or clinicians who study and examine the growth of microorganisms like bacteria, viruses, and fungi, and their interactions with the human body and find out the pathogens that harm the body and determine the proper treatment for the disease.
  • palliative care specialist

    #5 Palliative care specialist

    A palliative medicine is sub-specialty which relieves suffering and improve the quality of life for patients with chronic, curable or life-threatening diseases.
  • pharmacist

    #6 Pharmacist

    Although a pharmacist is not a medical doctor, however, a health care professional who practices pharmacy, a branch of health sciences specializing in safe and effective medication use. Within this, there are several different career options such as Retail Pharmacy, Clinical Pharmacy, Long-term care, Nuclear pharmacy, Home infusion & chemotherapy, pharmaceutical benefit management and non-clinical pharmacy careers (Examples: Medical sales, Medical writing or Regulatory affairs).
  • physiotherapist

    #7 Physiotherapist

    A Physiotherapist helps people affected by injury, illness or disability through massage, heat treatment, stretch exercises, education, and advice rather than drugs or surgery. Also, they help patients to manage pain and prevent diseases.
  • podiatrist

    #8 Podiatrist / Chiropodist

    A podiatrist (aka Chiropodist) is a medical doctor devoted to the diagnosis, and medical and surgical treatment of disorders of the foot, ankle and lower extremity. The term podiatry came into existence only in the last century in the USA and now it is widely used in UK and Australia.

Indeed, whether they do work in their own clinics, in public hospitals, or even in communities, doctors aim to help keep people in the best of their well-being. But the list above just only goes to show how vast the scope of the field of medicine is.

So if you are considering of becoming doctor, have you already decided which area would you like to study or specialize in?

59 Different Types of Doctors & Their Specializations
4.51 (90.22%) 45 votes


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