
The title of doctor and the profession of physician are often confused in everyday language. This confusion is based on a persistent linguistic shortcut: in French, “aller chez le docteur” means to consult a physician. The term doctor actually refers to a rank or academic title, while physician refers to a profession regulated by the Public Health Code.
Practice thesis and university thesis: two doctorates with distinct requirements
The confusion between physician and doctor is rooted in the very structure of the French university system. Two types of theses coexist, and their nature differs profoundly.
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The practice thesis allows one to obtain the title of doctor in medicine, dental surgery, pharmacy, or veterinary medicine. It marks the end of the clinical training curriculum and grants the right to practice. Its defense occurs after several years of study, between the end of the internship and the start of private or hospital practice.
The university doctoral thesis, on the other hand, confers the rank of doctor in an academic discipline: history, physics, psychology, law. It requires original research work, evaluated by a jury of peers. This thesis is considered more demanding in terms of methodology and science than the practice thesis.
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The same practitioner can hold both: a doctor in medicine (title) can also defend a doctoral thesis in neuroscience (rank). We observe that this dual role remains common among hospital-university physicians, who combine clinical activity and research.
To delve deeper into the difference between physician and doctor on 123 Docteur, it is important to remember that it is always the university that grants the title or rank, never the Order of Physicians or a health authority.

Physician: a profession governed by the state diploma and the authorization to practice
The word physician exclusively refers to a professional authorized to diagnose, prescribe, and treat. Being a doctor of medicine is not enough to practice: one must also be registered with the Order of Physicians and hold the authorization to practice issued by the competent authorities.
This distinction has direct practical consequences. A holder of the state diploma of doctor of medicine who has not completed their registration with the Order cannot see patients or write prescriptions. The academic title opens a potential right, but it is the recognized professional qualification that authorizes practice.
What the medical training pathway entails
The medical curriculum in France includes several distinct phases:
- The first cycle (externship), during which the student acquires theoretical foundations and begins hospital internships as an extern.
- The second cycle, marked by competitive exams and access to the internship, where the intern practices under supervision in a hospital department.
- The defense of the practice thesis, which confers the title of doctor of medicine and allows, after registration with the Order, to practice as a general practitioner or specialist.
The intern is already in a care situation but is not yet a physician in the full sense of the term. They hold a hybrid status, halfway between a student in training and a practitioner.
Doctor outside of medicine: a title shared among disciplines
A doctor of law, a doctor of letters, a doctor of physical sciences all legitimately hold the title of doctor. The title is not reserved for the medical field, even though French social usage has strongly associated it with that field.
In the French administration, writing rules distinguish the use of the title according to context. When addressing a physician directly, one writes “Docteur” or “Docteure.” When mentioning this person in the third person in an official letter, conventions vary depending on the register and the recipient.
The trap of translation between Francophone and Anglophone systems
The correspondence between “docteur” and “doctor” poses a recurring problem in international exchanges. In English, “doctor” refers both to the academic degree and to the health practitioner, which creates false equivalents when translated literally.
A “physician” in English corresponds to a practicing physician. An “MD” (Medical Doctor) refers to the medical degree. A “PhD” (Doctor of Philosophy) designates the academic doctorate. Confusing these terms in a professional or administrative context can lead to misunderstandings about a counterpart’s actual qualifications.
In other Francophone countries, the distinction also evolves. In Canada, writing conventions specify the use of “docteur” or “docteure” according to gender and writing context, with nuances that French from France does not systematically apply.

Rules for using the title of doctor in daily practice
The use of the word “doctor” follows stricter conventions than one might think. Here are the key points to remember:
- A physician, a dental surgeon, a pharmacist, and a veterinarian hold the title of doctor in the sense of the practice thesis.
- A researcher holding a university doctorate bears the rank of doctor but will not be called “Docteur” in the medical context.
- In official correspondence, the title is used before the proper name only for health professionals holding the practice thesis.
The shortcut “aller chez le docteur” remains correct in conversation. In administrative or professional contexts, precise terminology avoids ambiguities, especially in hospital structures where physicians, interns, and non-practicing researchers coexist.
Remembering the basic rule is enough to avoid confusion: every physician is a doctor of medicine, but not every doctor is a physician. The title reflects an academic pathway, while the profession requires an authorization to practice issued by health authorities. It is this authorization, and not the social title, that determines the right to prescribe and treat.