How many letters does the top answer for “a specialist who administers an anesthetic to a patient before he is treated” have?

The most common answer is anaesthetist (12 letters).

Crossword clue: a specialist who administers an anesthetic to a patient before he is treated

anaesthetist, anesthesiologist, anesthetist.

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

anaesthetist 12 letters wn-def

a specialist who administers an anesthetic to a patient before he is treated

anesthesiologist 16 letters wn-def

a specialist who administers an anesthetic to a patient before he is treated

anesthetist 11 letters wn-def

a specialist who administers an anesthetic to a patient before he is treated