Dr. John P. Dice is an allergist-immunologist in San Antonio, Texas. He received his medical degree from University of Virginia School of Medicine and has been in practice for more than 20 years. Dr. John P. Dice has expertise in treating asthma, among other conditions - see all areas of expertise. Dr. John P. Dice accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.