John V. Fahy, MD

Dr. John Fahy specializes in internal medicine with a focus on respiratory health and chronic lung conditions. He earned his medical degree from the National University of Ireland, University College of Dublin Faculty of Medicine, bringing four decades of clinical experience to his practice. Dr. Fahy holds board certification in internal medicine from the American Board of Internal Medicine and provides care in English.

Dr. Fahy practices at UCSF Helen Diller Medical Center at Parnassus Heights, serving patients at both the Asthma Clinic and Lung Health Center locations in San Francisco, California. He treats patients with asthma, including pediatric cases, and manages chronic lung disease. His clinical expertise includes administering autoinjectors and insulin pens, as well as performing sputum cultures to help diagnose respiratory conditions.