medical director; chief physician
Title for the head doctor of a hospital department or medical team.
彼は大学病院の外科の医長に任命された。
He was appointed medical director of the surgery department at the university hospital.
He will become the chief physician of surgery next year.
彼女は小児科の医長を長年務めている。
She has served as the chief physician of pediatrics for many years.
医長 (chief physician) and 胃腸 (stomach and intestines) share the exact same reading いちょう but have completely unrelated meanings.
Used for counting 医長 (chief physicians) in formal contexts.
Compound of 医 (i, 'medicine') and 長 (chō, 'head, chief').