About Breathe Better Allergy Asthma & Sinus Center, Inc. Breathe Better Allergy Asthma & Sinus Center, Inc is an allergist & immunologist practice located in Gainesville, GA. Related Providers. The doctors and healthcare providers related to Breathe Better Allergy Asthma & Sinus Center, Inc include: Ronald G. Beebe, MD is an allergist ....