physician

Etymology

From Middle English fisicien, from Old French fisicïen (“physician”) (modern French physicien (“physicist”)), from fisique (“art of healing”), from Latin physica (“natural science”), from Ancient Greek φυσική ἐπιστήμη (phusikḗ epistḗmē, “knowledge of nature”), from φυσικός (phusikós, “pertaining to nature”). Displaced native Middle English læche, leche, archaic English leech (“physician”). Morphologically physic + -ian.

noun

1. A practitioner of physic, i.e. a specialist in internal medicine, especially as opposed to a surgeon; a practitioner who treats with medication rather than with surgery.
   In 2009, the Obama Administration released guidelines on enhanced interrogation written in 2003 and 2004 by the CIA Office of Medical Services. .1-3(appendix F)) The OMS guidelines, even in redacted form, and opinions from the US Department of Justice's (DOJ’s) Office of Legal Counsel show that CIA physicians, psychologists, and other health care personnel had important roles in enhanced interrogation. 4 August 2010, Leonard S. Rubenstein, JD, Stephen N. Xenakis, MD, “The Ethics of Enhanced Interrogations and Torture: A Reappraisal of the Argument”, in JAMA, volume 304, number 5, American Medical Association, →DOI, pages 569–570
2. A medical doctor trained in human medicine.