diagnostician

From diagnosis +‎ -ician.

• (Received Pronunciation) IPA^(key): /ˌdaɪəɡnɒˈstɪʃən/

diagnostician (plural diagnosticians)

1. A person who diagnoses, especially a medical doctor.

   Dr Smith was many things — a mentor, a friend, a helpful colleague — but his highest calling may have been as a diagnostician, in which role he undoubtedly saved lives by breaking a logjam in many a challenging differential diagnosis.

   • 1964 September 24, “ROBERT L. HUTTON, DIAGNOSTICIAN, 83; Internist Dies —Had Been on Lincoln Hospital Staff”, in The New York Times‎^[1]:

     Dr. Robert Leroy Hutton, a retired specialist in internal medicine and a well‐known diagnostician, died yesterday here.

   • 1969 July 13, Lawrence M. Bensky, “Susan Sontag, Indignant, Stoical, Complex, Useful -- and Moral”, in The New York Times‎^[2]:

     "More and more, the shrewdest thinkers and artists are precocious archeologists of ... ruins-in-the-making, indignant or stoical diagnosticians of defeat, enigmatic choreographers of the complex spiritual movements useful for individual survival in an era or permanent apocalypse."

Borrowed from French diagnosticien.

diagnostician m (plural diagnosticieni)

1. diagnostician