Michel Bertier (Berthier) (c. 1695 – 5 September 1740) was the surgeon-major of Quebec and was surgeon to the Hôtel-Dieu there as well.
Bertier had frequent professional contact with Michel Sarrazin who was surgeon-major of the colonial regular troops.
They both attended at the death of Bishop Jean-Baptiste de La Croix de Chevrières de Saint-Vallier.
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