Hannah H. Walford, MD

Dr. Wan is a fellowship-trained allergist practicing at the Stanford Health Care Menlo Medical Clinic in Menlo Park. She has board certification in allergy and immunology and in internal medicine. She treats allergic conditions including asthma, allergic rhinitis, hives, angioedema, chronic rhinosinusitis, eczema, and food and drug allergies. Dr. Wan provides expert care for patients of all ages. For each, she prepares a care plan that is customized, comprehensive, and compassionate. She is committed to improving both the health and quality of life of her patients. She enjoys the long-term relationships that she develops with them and their family members.

Louanne Tourangeau, MD, is one of over 325 Stanford Medicine-affiliated providers located throughout the Bay Area. She is board certified in Allergy/Immunology.