Dr. Aaron Gregory Braun is a Emergency Medicine in Killeen 76541, Kill…read moreeen TX and has an experience of 20 years in this field. Dr. Aaron Gregory Braun practices at Signaturecare Emergency Center in Killeen 76541, Killeen TX,Texas Health Emergency Room in Lewisville 75067, Lewisville TX and Office in Houston 77030, Houston. He completed Medical School from Midwestern University-Chicago College Of Osteopathic Medicine in 2006.read less