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Larry S Posner MD

Larry S Posner MD

(707) 258-8100
Primary Specialties
  • Allergy and Immunology
  • Pediatrics
Medical Groups & Affiliations
  • St. Joseph Health Medical Group
  • Additional Languages Spoken
    English, Spanish

Primary Office

1100 Pear Tree Ln.
Napa, CA 94558
(707) 258-8100
Web Page:

Physician Bio

Philosophy of care: Northbay allergy is dedicated to providing the highest quality of care for our patients with allergies and immunologic disorders through diagnosis, treatment, prevention, and education.-- Professional Society Memberships: Fellow in the American Academy of Pediatrics Fellow American Academy of Allery and Clinical Immunology Allergy Association of Northern California California Society of Allergy and Clinical Immunology Western Society of Allergy Asthma and Immunology California Medical Association Napa County Medical Society


Medical School-University of Southern California
Fellowship- University of San Francisco
Residency- University of California, Irvine
Certifications- Board Certified Allergy Immunology
Board Certified Pediatrics

Areas of Interest

Allergy and Immunology, Pediatrics

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