bariatrician

[ bar-ee-uh-trish-uh n ]
/ ˌbær i əˈtrɪʃ ən /

noun

a physician who specializes in bariatrics.

Origin of bariatrician

1965–70; bariatric(s) + -ian, on the model of pediatrician
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019