GEORGIA DERMATOLOGY CENTER. Dr. Alexander Gross is a respected leader in physician education, medical and cosmetic dermatology, dermatologic surgery, and laser technology. Board Certified in both Dermatology and Internal Medicine, Dr. Gross provide his patients with 20 years of practical experience and state-of-the-art treatments.Contact Us‧Medical Staff‧About Us‧Advanced Dermatology‧General Dermatology‧Pediatric Dermatology.