
Dr. Nancy Mozelsio, MD
Building 2, Suite 209
Walnut Creek, California 94598
Medical Expertise of Dr. Nancy Mozelsio, MD
Dr. Nancy Mozelsio is a board-certified allergist providing care to patients in the Walnut Creek area at Allergy adn Asthma Medical Group of the Bay Area since 2001.
About Dr. Nancy Mozelsio, MD
Dr. Mozelsio is a member of the American Academy of Allergy, Asthma and Immunology; the American College of Allergy, Asthma and Immunology; the Western Society of Asthma, Allergy and Immunology; and the Allergy Association of Northern California.
Conditions Treated
Procedures & Services
Patient Education Resources
Inhaled corticosteroids (ICS) are a type of medication that is commonly used to treat asthma and other respiratory conditions. They are considered safe because they are delivered directly to the lungs...
EpiPens do have an expiration date, and it is important to replace them before they expire. The expiration date can be found on the packaging and the device itself.An expired EpiPen® may not work ...
Biologics are a class of medications that can be used to treat asthma, a chronic lung disease characterized by inflammation and narrowing of the airways. Biologics work by targeting specific parts of ...
It's important for those with asthma to have an asthma action plan.An asthma action plan is a written document that outlines specific steps for managing asthma symptoms and preventing asthma attac...
The treatment for food allergies is to strictly avoid the allergenic food, and in case of accidental exposure, the use of rescue medications such as antihistamines and epinephrine (injectable) in the ...
Education & Training
Dr. Mozelsio attended the University of California Irvine, where she completed her undergraduate training. After graduation, she became a board certified Clinical Medical Technologist and worked for several years as a clinical microbiologist, as well as conducted AIDS research. However, the lure of medicine drew her to attend medical school at UC Irvine. She then traveled to Chicago and completed an Internal Medicine residency and a combined adult and pediatric Allergy/Immunology fellowship at Northwestern University Feinberg School of Medicine. While in Chicago, she worked as an Emergency Department attending physician at the Lakeside VA Hospital.
Professional Affiliations
Allergy & Asthma Medical Group of The Bay Area, Inc.

For more than 43 years, Allergy and Asthma Medical Group of the Bay Area has provided the best medical care to patients of all ages.
Allergy and Asthma Medical Group of the Bay Area (AAMG) is a leader in the diagnosis and specialized treatment of a variety of allergic conditions, asthma, and immunodeficiencies. Our team consists of thirteen board-certified physicians, as well as physician assistants, nurse practitioners, and other practice personnel.
We have offices in Walnut Creek, San Ramon, Brentwood, Pleasanton, Berkeley, and Vallejo. Our providers take the time necessary to properly diagnose all of your asthma and allergy conditions. We will come up with a treatment plan that works well with your lifestyle, so that you can get back to the activities that bring you joy.