Medical doctor
professional who practices medicine
A medical doctor, also known as a physician (American and Canadian English) or medical practitioner (British English), is a health professional who practices medicine. Medicine aims to promote, maintain or restore health through the study, diagnosis, prognosis and treatment of disease, injury, and other physical and mental conditions.
Doctors may focus on certain disease categories, types of patients, and methods of treatment, known as specialities. Others work in general practice, providing continuing and comprehensive medical care to individuals, families. Medical practice requires both thorough knowledge of the medical sciences—such as anatomy, physiology, diseases, and their treatment—and strong competence in applying this knowledge in practice, which forms the art or craft of the profession.
Both the role of doctors 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 requiring that doctors show consideration, compassion, and benevolence for their patients.
Terminology
The term doctor commonly refers to medical practitioners across the world, but may also be applied to holders of non-medical doctoral degrees. While the term physician is used in North America to refer to medical practitioners in a general sense, in the United Kingdom and countries influenced by British English this word refers to specialists in internal medicine specifically.
British and Commonwealth
The British meaning of the term physician is the original one, and is used in opposition to surgeon, which refers to a specialist in surgery.
Begin with the source’s own compact description: “Medical doctor” is professional who practices medicine. The dossier treats that line as a proposition to test through Medical, doctor and professional, not as a finished interpretation.
Why this record matters
The phrase “professional who practices medicine” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Aug 12, 2026. The linked authority identifier is Q39631. The Library of Congress control number is sh85101610. None of the 1 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Medical doctor” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.