Dr. Mark A. Chastain is a native of Georgia, having been born and raised in Columbus. He attended Emory University where he received a Bachelor of Arts degree and graduated Phi Beta Kappa. He then moved to New Orleans where he attended Tulane University School of Medicine.
After graduating, he remained at Tulane to complete an internship and Dermatology residency and was selected as chief resident during the final year. After residency, Dr. Chastain pursued his interest in skin cancer by completing an accredited fellowship training program in Mohs micrographic surgery and advanced reconstructive surgery.