Dr. Ronald Frank Ambrosia is a Emergency Medicine in Canal Winchester,…read more COLUMBUS and has an experience of 27 years in this field. Dr. Ronald Frank Ambrosia practices at Mid-Ohio Emergency Services in Canal Winchester, COLUMBUS and Mid-Ohio Emergency Services in Columbus 43215, COLUMBUS. He completed Medical School from Kansas City University Of Medicine & Bioscience College Of Osteopathic Med in 1999.read less