It is not permissible for a female doctor to take off her hijab when visiting patients, even if the laws governing her work require her to do that

No File Exists
Check below answers in case you are looking for other related questions:
Is it permissible for a woman to study medicine during which she will see and touch ‘awrahs (private parts)?
She is not allowed to wear hijab, so how can she go out to work and meet her needs?

No File Exists
Related Answers:
It is not permissible for women to wear shoes that look like men's shoes
Is the hijaab only for a specific class of women?
If her parents force her to go to a school where she has to take off her niqab, should she take it off in the street too?
Is it permissible for a woman to study medicine during which she will see and touch ‘awrahs (private parts)?
She is not allowed to wear hijab, so how can she go out to work and meet her needs?

Recommended answers for you:
Medical benefits of female circumcision
Intercourse during Ramadaan
Ruling on wearing false eyelashes
Do women have to wear niqaab?
Is it recommended to fast ten days of Dhu’l-Hijjah including the day of Eid?