The overall average patient rating of Ioannis J Kehagias-Athanassopulos is Great. Ioannis J Kehagias-Athanassopulos has been rated by 36 patients.From those 36 patients 11 of those left a comment along with their rating.The overall rating for Ioannis J Kehagias-Athanassopulos is 4.1 of 5.0 stars..