The attending physician — the doctor responsible for a patient's care and treatment (the doctor in charge of a patient).
入院したら担当医が毎朝回診に来ます。
When you are hospitalized, the attending physician will come for rounds every morning.
症状についてはまず担当医に相談してください。
Please consult your attending physician first about your symptoms.
担当医から手術の説明を受け、同意書に署名した。
I received an explanation about the surgery from the attending doctor and signed the consent form.
担当医と意見が合わない場合はセカンドオピニオンを求めることもできる。
If you disagree with your attending physician, you can seek a second opinion.