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A physician (
American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lan ...
), medical practitioner ( Commonwealth English), medical doctor, or simply doctor, is a
health professional A health professional, healthcare professional, or healthcare worker (sometimes abbreviated HCW) is a provider of health care treatment and advice based on formal training and experience. The field includes those who work as a nurse, physician (suc ...
who practices medicine, which is concerned with promoting, maintaining or restoring health through the
study Study or studies may refer to: General * Education **Higher education * Clinical trial * Experiment * Observational study * Research * Study skills, abilities and approaches applied to learning Other * Study (art), a drawing or series of drawi ...
, diagnosis,
prognosis Prognosis (Greek: πρόγνωσις "fore-knowing, foreseeing") is a medical term for predicting the likely or expected development of a disease, including whether the signs and symptoms will improve or worsen (and how quickly) or remain stabl ...
and treatment of disease,
injury An injury is any physiological damage to living tissue caused by immediate physical stress. An injury can occur intentionally or unintentionally and may be caused by blunt trauma, penetrating trauma, burning, toxic exposure, asphyxiation, o ...
, and other physical and mental impairments. Physicians may focus their practice on certain disease categories, types of patients, and methods of treatment—known as specialities—or they may assume responsibility for the provision of continuing and comprehensive medical care to individuals, families, and communities—known as general practice. Medical practice properly requires both a detailed knowledge of the academic disciplines, such as anatomy and physiology, underlying diseases and their treatment—the '' science'' of medicine—and also a decent
competence Competence may refer to: *Competence (geology), the resistance of a rock against deformation or plastic flow. *Competence (human resources), a standardized requirement for an individual to properly perform a specific job *Competence (law), the me ...
in its applied practice—the art or '' craft'' of medicine. Both the role of the physician and the meaning of the word itself vary around the world. Degrees and other qualifications vary widely, but there are some common elements, such as
medical ethics Medical ethics is an applied branch of ethics which analyzes the practice of clinical medicine and related scientific research. Medical ethics is based on a set of values that professionals can refer to in the case of any confusion or conflict. T ...
requiring that physicians show consideration, compassion, and benevolence for their patients.


Modern meanings


Specialist in internal medicine

Around the world the term physician refers to a
specialist Specialist may refer to: Occupations * Specialist (rank), a military rank ** Specialist (Singapore) * Specialist (arena football) * Specialist degree, in academia * Specialty (medicine) * Designated market maker, in the American stock market * ...
in internal medicine or one of its many sub-specialties (especially as opposed to a specialist in
surgery Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pat ...
). This meaning of physician conveys a sense of expertise in treatment by drugs or medications, rather than by the procedures of
surgeon In modern medicine, a surgeon is a medical professional who performs surgery. Although there are different traditions in different times and places, a modern surgeon usually is also a licensed physician or received the same medical training as ...
s. This term is at least nine hundred years old in English: physicians and surgeons were once members of separate professions, and traditionally were rivals. The '' Shorter Oxford English Dictionary'', third edition, gives a Middle English quotation making this contrast, from as early as 1400: "O Lord, whi is it so greet difference betwixe a cirugian and a physician." Henry VIII granted a charter to the London Royal College of Physicians in 1518. It was not until 1540 that he granted the
Company of Barber-Surgeons The Royal College of Surgeons of England (RCS England) is an independent professional body and registered charity that promotes and advances standards of surgical care for patients, and regulates surgery and dentistry in England and Wales. T ...
(ancestor of the Royal College of Surgeons) its separate charter. In the same year, the English monarch established the Regius Professorship of Physic at the University of Cambridge. Newer universities would probably describe such an academic as a professor of internal medicine. Hence, in the 16th century, ''physic'' meant roughly what internal medicine does now. Currently, a specialist
physician in the United States Physicians in the United States are doctors who practice medicine for the human body. They are an important part of health care in the United States. The vast majority of physicians in the US have a Doctor of Medicine (MD) degree, though some have ...
may be described as an ''internist''. Another term, '' hospitalist'', was introduced in 1996, to describe US specialists in internal medicine who work largely or exclusively in hospitals. Such 'hospitalists' now make up about 19% of all US ''general internists'', who are often called ''general physicians'' in
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
countries. This original use, as distinct from surgeon, is common in most of the world including the United Kingdom and other Commonwealth countries (such as
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
, Bangladesh, India, New Zealand, Pakistan, South Africa,
Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
, and Zimbabwe), as well as in places as diverse as Brazil, Hong Kong, Indonesia,
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, Ireland, and Taiwan. In such places, the more general English terms ''doctor'' or ''medical practitioner'' are prevalent, describing any practitioner of medicine (whom an American would likely call a physician, in the broad sense). In Commonwealth countries, specialist pediatricians and
geriatricians Geriatrics, or geriatric medicine, is a medical specialty focused on providing care for the unique health needs of older adults. The term ''geriatrics'' originates from the Greek language, Greek γέρων ''geron'' meaning "old man", and ιατ ...
are also described as specialist physicians who have sub-specialized by age of patient rather than by
organ Organ may refer to: Biology * Organ (biology), a part of an organism Musical instruments * Organ (music), a family of keyboard musical instruments characterized by sustained tone ** Electronic organ, an electronic keyboard instrument ** Hammond ...
system.


Physician and surgeon

Around the world, the combined term "physician and surgeon" is used to describe either a general practitioner or any medical practitioner irrespective of specialty. This usage still shows the original meaning of physician and preserves the old difference between a physician, as a practitioner of ''physic'', and a surgeon. The term may be used by state medical boards in the United States, and by equivalent bodies in Canadian provinces, to describe any medical practitioner.


North America

In modern English, the term ''physician'' is used in two main ways, with relatively broad and narrow meanings respectively. This is the result of history and is often confusing. These meanings and variations are explained below. In the United States and Canada, the term ''physician'' describes all medical practitioners holding a professional medical degree. The American Medical Association, established in 1847, as well as the American Osteopathic Association, founded in 1897, both currently use the term ''physician'' to describe members. However, the American College of Physicians, established in 1915, does not: its title uses ''physician'' in its original sense.


American physicians

The vast majority of physicians trained in the United States have a Doctor of Medicine degree, and use the initials M.D. A smaller number attend osteopathic medical schools and have a Doctor of Osteopathic Medicine degree and use the initials D.O. The World Directory of Medical Schools lists both MD and DO granting schools as ''medical schools'' located in the United States. After completion of
medical school A medical school is a tertiary educational institution, or part of such an institution, that teaches medicine, and awards a professional degree for physicians. Such medical degrees include the Bachelor of Medicine, Bachelor of Surgery (MBBS, M ...
, physicians complete a residency in the specialty in which they will practice. Subspecialties require the completion of a fellowship after residency. Both MD and DO physicians participate in the National Resident Matching Program (NRMP) and attend ACGME-accredited residencies and fellowships across all medical specialties to obtain licensure. All boards of certification now require that physicians demonstrate, by examination, continuing mastery of the core knowledge and skills for a chosen specialty. Recertification varies by particular specialty between every seven and every ten years.


= Primary care

= Primary care physicians guide patients in preventing disease and detecting health problems early while they are still treatable. They are divided into two types:
family medicine Family medicine is a medical specialty within primary care that provides continuing and comprehensive health care for the individual and family across all ages, genders, diseases, and parts of the body. The specialist, who is usually a primary ...
doctors and internal medicine doctors. Family doctors, or family physicians, are trained to care for patients of any age, while internists are trained to care for adults. Family doctors receive training in a variety of care and are therefore also referred to as general practitioners. Family medicine grew out of the general practitioner movement of the 1960s in response to the growing specialization in medicine that was seen as threatening to the doctor-patient relationship and continuity of care.


Podiatrists

In the United States, the American Podiatric Medical Association (APMA) defines podiatrists as physicians and surgeons who treat the foot, ankle, and associated structures of the leg. Podiatrists undergo training with the Doctor of Podiatric Medicine (DPM) degree. The American Medical Association (AMA), however, advocates for the definition of a ''physician'' as "an individual possessing degree of either a Doctor of Medicine or Doctor of Osteopathic Medicine." In the US, podiatrists are required to complete three to four years of podiatry residency upon graduating with a DPM degree. After residency, one to two years of fellowship programs are available in plastic surgery, foot and ankle reconstructive surgery, sports medicine, and wound care. Podiatry residencies and/ or fellowships are not accredited by the ACGME. The overall scope of podiatric practice varies from state to state and is not similar to that of physicians holding an MD or DO degree. DPM is also available at one Canadian university, namely the Université du Québec à Trois-Rivières; students are typically required to complete an internship in New York prior to the obtention of their professional degree. The World Directory of Medical Schools does not list US or Canadian schools of podiatric medicine as ''medical schools'' and only lists US-granted MD, DO, and Canadian MD programs as medical schools for the respective regions.


Shortage

Many countries in the developing world have the problem of too few physicians. In 2015, the Association of American Medical Colleges warned that the US will face a doctor shortage of as many as 90,000 by 2025.


Social role and world view


Biomedicine

Within Western culture and over recent centuries, medicine has become increasingly based on scientific
reductionism Reductionism is any of several related philosophical ideas regarding the associations between phenomena which can be described in terms of other simpler or more fundamental phenomena. It is also described as an intellectual and philosophical pos ...
and
materialism Materialism is a form of philosophical monism which holds matter to be the fundamental substance in nature, and all things, including mental states and consciousness, are results of material interactions. According to philosophical materiali ...
. This style of medicine is now dominant throughout the industrialized world, and is often termed '' biomedicine'' by medical anthropologists. Biomedicine "formulates the human body and disease in a culturally distinctive pattern", and is a world view learnt by medical students. Within this tradition, the medical model is a term for the complete "set of procedures in which all doctors are trained", including mental attitudes. A particularly clear expression of this world view, currently dominant among conventional physicians, is
evidence-based medicine Evidence-based medicine (EBM) is "the conscientious, explicit and judicious use of current best evidence in making decisions about the care of individual patients". The aim of EBM is to integrate the experience of the clinician, the values of t ...
. Within conventional medicine, most physicians still pay heed to their ancient traditions: In this Western tradition, physicians are considered to be members of a learned profession, and enjoy high
social status Social status is the level of social value a person is considered to possess. More specifically, it refers to the relative level of respect, honour, assumed competence, and deference accorded to people, groups, and organizations in a society. Stat ...
, often combined with expectations of a high and stable income and job security. However, medical practitioners often work long and inflexible hours, with shifts at unsociable times. Their high status is partly from their extensive training requirements, and also because of their occupation's special ethical and legal duties. The term traditionally used by physicians to describe a person seeking their help is the word ''patient'' (although one who visits a physician for a routine check-up may also be so described). This word patient is an ancient reminder of medical duty, as it originally meant 'one who suffers'. The English noun comes from the Latin word ''patiens'', the present participle of the deponent verb, patior, meaning 'I am suffering', and akin to the Greek verb (
romanized Romanization or romanisation, in linguistics, is the conversion of text from a different writing system to the Roman (Latin) script, or a system for doing so. Methods of romanization include transliteration, for representing written text, and ...
:
''paschein'', lit. to suffer) and its cognate noun πάθος ( ''pathos'', suffering). Physicians in the original, narrow sense (specialist physicians or internists, see above) are commonly members or fellows of professional organizations, such as the American College of Physicians or the Royal College of Physicians in the United Kingdom, and such hard-won membership is itself a mark of status.


Alternative medicine

While contemporary biomedicine has distanced itself from its ancient roots in religion and magic, many forms of traditional medicine and
alternative medicine Alternative medicine is any practice that aims to achieve the healing effects of medicine despite lacking biological plausibility, testability, repeatability, or evidence from clinical trials. Complementary medicine (CM), complementary and alt ...
continue to espouse
vitalism Vitalism is a belief that starts from the premise that "living organisms are fundamentally different from non-living entities because they contain some non-physical element or are governed by different principles than are inanimate things." Wher ...
in various guises: "As long as life had its own secret properties, it was possible to have sciences and medicines based on those properties". The US National Center for Complementary and Alternative Medicine (NCCAM) classifies complementary and alternative medicine therapies into five categories or domains, including: alternative medical systems, or complete systems of therapy and practice; mind-body interventions, or techniques designed to facilitate the mind's effect on bodily functions and symptoms; biologically based systems including herbalism; and manipulative and body-based methods such as chiropractic and massage therapy. In considering these alternate traditions that differ from biomedicine (see above), medical anthropologists emphasize that all ways of thinking about health and disease have a significant cultural content, including conventional western medicine. Ayurveda, Unani medicine, and
homeopathy Homeopathy or homoeopathy is a pseudoscientific system of alternative medicine. It was conceived in 1796 by the German physician Samuel Hahnemann. Its practitioners, called homeopaths, believe that a substance that causes symptoms of a dis ...
are popular types of alternative medicine.


Physicians' own health

Some commentators have argued that physicians have duties to serve as role models for the general public in matters of health, for example by not smoking cigarettes. Indeed, in most western nations relatively few physicians smoke, and their professional knowledge does appear to have a beneficial effect on their health and lifestyle. According to a study of male physicians, life expectancy is slightly higher for physicians (73 years for white and 69 years for black) than lawyers or many other highly educated professionals. Causes of death which are less likely to occur in physicians than the general population include respiratory disease (including pneumonia,
pneumoconioses Pneumoconiosis is the general term for a class of interstitial lung disease where inhalation of dust ( for example, ash dust, lead particles, pollen grains etc) has caused interstitial fibrosis. The three most common types are asbestosis, silico ...
, COPD, but excluding
emphysema Emphysema, or pulmonary emphysema, is a lower respiratory tract disease, characterised by air-filled spaces ( pneumatoses) in the lungs, that can vary in size and may be very large. The spaces are caused by the breakdown of the walls of the alve ...
and other
chronic airway obstruction Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by long-term respiratory symptoms and airflow limitation. The main symptoms include shortness of breath and a cough, which may or may not produce mu ...
), alcohol-related deaths, rectosigmoid and anal cancers, and bacterial diseases. Physicians do experience exposure to occupational hazards, and there is a well-known aphorism that "doctors make the worst patients". Causes of death that are shown to be higher in the physician population include
suicide among doctors Suicide among doctors refers to physicians or medical trainees dying by suicide. Studies report that physicians are more likely to die by suicide than the general population and even people with similar academic training who are not physicians. T ...
and self-inflicted injury, drug-related causes, traffic accidents, and cerebrovascular and ischaemic heart disease. Physicians are also prone to occupational burnout. This manifests as a long-term stress reaction characterized by poorer quality of care towards patients, emotional exhaustion, a feeling of decreased personal achievement, and others. A study by the Agency for Healthcare Research and Quality reported that time pressure was the greatest cause of burnout; a survey from the American Medical Association reported that more than half of all respondents chose "too many bureaucratic tasks" as the leading cause of burnout.


Education and training

Medical education and career pathways for doctors vary considerably across the world.


All medical practitioners

In all developed countries, entry-level medical education programs are tertiary-level
courses Course may refer to: Directions or navigation * Course (navigation), the path of travel * Course (orienteering), a series of control points visited by orienteers during a competition, marked with red/white flags in the terrain, and corresponding ...
, undertaken at a
medical school A medical school is a tertiary educational institution, or part of such an institution, that teaches medicine, and awards a professional degree for physicians. Such medical degrees include the Bachelor of Medicine, Bachelor of Surgery (MBBS, M ...
attached to a university. Depending on jurisdiction and university, entry may follow directly from
secondary school A secondary school describes an institution that provides secondary education and also usually includes the building where this takes place. Some secondary schools provide both '' secondary education, lower secondary education'' (ages 11 to 14) ...
or require pre-requisite undergraduate education. The former commonly takes five or six years to complete. Programs that require previous undergraduate education (typically a three- or four-year degree, often in science) are usually four or five years in length. Hence, gaining a basic medical degree may typically take from five to eight years, depending on jurisdiction and university. Following the completion of entry-level training, newly graduated medical practitioners are often required to undertake a period of supervised practice before full registration is granted, typically one or two years. This may be referred to as an " internship", as the "foundation" years in the UK, or as "conditional registration". Some jurisdictions, including the United States, require residencies for practice. Medical practitioners hold a medical degree specific to the university from which they graduated. This degree qualifies the medical practitioner to become licensed or registered under the laws of that particular country, and sometimes of several countries, subject to requirements for an internship or conditional registration.


Specialists in internal medicine

Specialty training is begun immediately following completion of entry-level training, or even before. In other jurisdictions, junior medical doctors must undertake generalist (un-streamed) training for one or more years before commencing specialization. Hence, depending on the jurisdiction, a specialist physician (internist) often does not achieve recognition as a specialist until twelve or more years after commencing basic medical training—five to eight years at university to obtain a basic medical qualification, and up to another nine years to become a specialist.


Regulation

In most jurisdictions, physicians (in either sense of the word) need government permission to practice. Such permission is intended to promote public safety, and often to protect government spending, as medical care is commonly subsidized by national governments. In some jurisdictions such as in Singapore, it is common for physicians to inflate their qualifications with the title "Dr" in correspondence or namecards, even if their qualifications are limited to a basic (e.g., bachelor level) degree. In other countries such as Germany, only physicians holding an academic doctorate may call themselves doctor – on the other hand, the
European Research Council The European Research Council (ERC) is a public body for funding of scientific and technological research conducted within the European Union (EU). Established by the European Commission in 2007, the ERC is composed of an independent Scientific ...
has decided that the German medical doctorate does not meet the international standards of a PhD research degree.


All medical practitioners

Among the English-speaking countries, this process is known either as licensure as in the United States, or as registration in the United Kingdom, other
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
countries, and Ireland. Synonyms in use elsewhere include ''colegiación'' in Spain, ''ishi menkyo'' in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, ''autorisasjon'' in Norway, ''Approbation'' in Germany, and in Greece. In France, Italy and Portugal, civilian physicians must be members of the Order of Physicians to practice medicine. In some countries, including the United Kingdom and Ireland, the profession largely regulates itself, with the government affirming the regulating body's authority. The best-known example of this is probably the
General Medical Council The General Medical Council (GMC) is a public body that maintains the official register of medical practitioners within the United Kingdom. Its chief responsibility is to "protect, promote and maintain the health and safety of the public" by c ...
of Britain. In all countries, the regulating authorities will revoke permission to practice in cases of malpractice or serious misconduct. In the large English-speaking federations ( United States, Canada,
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
), the licensing or registration of medical practitioners is done at a state or provincial level, or nationally as in New Zealand. Australian states usually have a "Medical Board", which has now been replaced by the Australian Health Practitioner Regulation Agency (AHPRA) in most states, while Canadian provinces usually have a "College of Physicians and Surgeons". All American states have an agency that is usually called the "Medical Board", although there are alternate names such as "Board of Medicine", "Board of Medical Examiners", "Board of Medical Licensure", "Board of Healing Arts" or some other variation. After graduating from a first-professional school, physicians who wish to practice in the US usually take standardized exams, such as the USMLE for a Doctor in Medicine.


Specialists in internal medicine

Most countries have some method of officially recognizing specialist qualifications in all branches of medicine, including internal medicine. Sometimes, this aims to promote public safety by restricting the use of hazardous treatments. Other reasons for regulating specialists may include standardization of recognition for hospital employment and restriction on which practitioners are entitled to receive higher insurance payments for specialist services.


Performance and professionalism supervision

The issue of medical errors, drug abuse, and other issues in physician professional behavior received significant attention across the world, in particular following a critical 2000 report which "arguably launched" the patient-safety movement. In the US, as of 2006 there were few organizations that systematically monitored performance. In the US, only the Department of Veterans Affairs randomly drug tests physicians, in contrast to drug testing practices for other professions that have a major impact on public welfare. Licensing boards at the US state-level depend upon continuing education to maintain competence. Through the utilization of the National Practitioner Data Bank, Federation of State Medical Boards' disciplinary report, and American Medical Association Physician Profile Service, the 67 State Medical Boards continually self-report any adverse/disciplinary actions taken against a licensed physician in order that the other Medical Boards in which the physician holds or is applying for a medical license will be properly notified so that corrective, reciprocal action can be taken against the offending physician. In Europe, as of 2009 the health systems are governed according to various national laws, and can also vary according to regional differences similar to the United States.


See also

*
AI doctor Artificial intelligence in healthcare is an overarching term used to describe the use of machine-learning algorithms and software, or artificial intelligence (AI), to mimic human cognition in the analysis, presentation, and comprehension of compl ...
* Doctor's office *
Doctor–patient relationship The doctor–patient relationship is a central part of health care and the practice of medicine. A doctor–patient relationship is formed when a doctor attends to a patient's medical needs and is usually through consent. This relationship is bu ...
*
Occupations of physicians and surgeons A medical specialty is a branch of medical practice that is focused on a defined group of patients, diseases, skills, or philosophy. Examples include those branches of medicine that deal exclusively with children (paediatrics), cancer (oncology), ...
* International medical graduate * List of countries and dependencies by number of physicians *
List of medical schools Medical schools are developed, monitored and credentialed by national organizations in each country. The agency responsible for this recognition in most countries is the Ministry of Health. Medical schools that are recognized by the appropriate a ...
*
List of physicians This is a list of famous physicians in history. Chronological lists Ancient physicians 30th century BCE to 4th century CE * List of ancient physicians Post-classical physicians 5th century CE to 15th century CE * List of post-classical ph ...
* Medic * Physician-scientist * Physicians in Canada


References


Further reading

* Bell, Whitfield J. "Medical practice in colonial America". ''Bulletin of the History of Medicine'' 31.5 (1957): 442–453. . * Hamilton, Bernice. "The Medical Professions in the Eighteenth Century". ''Economic History Review'' 4#2 1951, pp. 141–169. . In Britain * Holloway, Sydney WF. "Medical education in England, 1830–1858: A sociological analysis". ''History'' 49.167 (1964): 299–324. . * Keevil, John Joyce. ''Medicine and the Navy, 1200-1900'' (4 vol.; E. & S. Livingstone, 1957) on Royal Navy * Porter, Roy. ''Disease, Medicine and Society in England, 1550–1860'' (Cambridge University Press, 1995).


External links

* * {{Authority control Health care occupations Hospital staff