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  Feb 2, 2020

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

Not available. Latest counts from late January below.


Tree Pollen-     15  (low-moderate levels)

Dominant species: juniper, cypress, alder, cedar

Outdoor mold:       Moderate, increased  the day after rain


Tree Pollen Scale:

1-15  Low                   (sensitive people affected)

16-40  Moderate       (most allergic people affected)

over 40  High             (all sensitized people affected)




Our pollen reader (yes, all pollen counts are done manually) is on vacation.  Based on 30 years of experience, wei weill contineu to see juniper, alder, cypress pollen. Ashe trees are starting to pollinate as well. (hence your yellow windhsileds when you park at our Napa office, surrounded by ash trees,

For current patients you can see your allergy testing results on your patient portal under "documents."




What’s Happening:

Feb 6, 2020.


About three more weeks until the next wave of tree polen.




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