Joseph Duffy, MD

Joseph Duffy, MD is a board-certified family medicine physician and Senior Vice President and Chief Medical Officer of St. Joseph’s Health, where he oversees clinical operations, patient safety, and quality across the system.

With nearly four decades of experience, Dr. Duffy is deeply committed to building long-term relationships with his patients and providing comprehensive, whole-person care tailored to everyone’s needs. Patients appreciate his thoughtful approach, effective communication, and steady presence in managing both routine and complex health challenges.