Dr. Kirby joined Simon-Williamson Clinic in 2000 and has two decades of experience as an internist, focusing on cardiovascular health, diabetes, and thyroid disorders. Originally from Natchez, MS, Dr. Kirby is married to Charnita, who is a photographer. Together they have seven children. When Dr. Kirby is not seeing patients, he enjoys running, mountain biking and hunting. Dr. Kirby is one of Complete Health’s Medical Directors for the Alabama region.