About BREATHE BETTER ALLERGY ASTHMA & SINUS CENTER, INC. Breathe Better Allergy Asthma & Sinus Center, Inc is a provider established in Gainesville, Georgia specializing in allergy & immunology. The NPI number of Breathe Better Allergy Asthma & Sinus Center, Inc is 1821567371 and was assigned on November 2018. The practitioner's primary taxonomy code is 207K00000X..