Welcome to North Bay Allergy and Asthma Associates, Inc

North Bay Allergy and Asthma Associates, Inc in Napa and Sonoma was founded in 1989 by Larry S. Posner. Our physicians and staff at NBAAA strive to deliver excellent patient care and improved quality of life for our patients in the specialized fields of Allergy and Clinical Immunology. Our clinical practice focuses on educating our patients about allergic and immunological diseases. It is an exciting time to be in our field as there are many recent groundbreaking research and treatments in allergy and asthma. We look forward to taking care of you!

Pollen Count  Nov 23, 2019

Airborne sampling weekly from the roof of the Queen of the Valley Medical Center, Napa, CA. 

Total Pollen

Pine        1

Juniper-Cypress 1

No significant outdoor pollen or mold.  The extremely dry fall resulted in very little mold.  The recent rain will changes this as all the leaves on the ground will start to get moldy. Some people are affected by barometric and temperature changes.



What’s Happening

November 2019

A big shout out to our office manager Brenda Sigler who just celebrated 30 years at NBAAA!. We are extremely proud of her as well as our entire support staff of twelve women. They are continuing to serve you and battle insurance companies on your behalf. Wishing everyone a wonderful holiday season.


Monday - 9:00 am - 5:00 pm

Tuesday - 9:00 am - 5:00 pm

Wednesday - 9:00 am - 7:00 pm

Thursday - 9:00 am - 5:00 pm

Friday - 9:00 am - 12:00 pm


Napa Allergy Shot Hours

Monday - 9:00am - 12:00pm; 2:00pm - 6:00pm

Tuesday - 9:00 am - 12:00pm

Wednesday - 2:00 pm - 7:00 pm

Thursday - 2:00 pm - 6:00 pm

Friday - 9:00 am - 12:00 pm


Sonoma Allergy Shot Hours

Monday - Closed

Tuesday - 2:00pm - 5:30pm

Wednesday - Closed

Thursday -  9:00 am-12:30 pm          2:00 pm - 5:30 pm

Friday - Closed