Recognized by Atlanta Magazine and Castle Connelly as one of Atlanta’s top doctors in 2004, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015! Dr. Janice Warner is a dermatologist in Austell, Georgia and is affiliated with WellStar Cobb Hospital. She received her medical degree from Rutgers Robert Wood Johnson Medical School and has been in practice for 31 years. Dr. Warner accepts several types of health insurance, listed below. She is one of 4 doctors at WellStar Cobb Hospital who specialize in Dermatology.