Specialists Comprised of our community’s leading doctors, Hoag Medical Group is a physician group with specialties in internal medicine, family medicine, pediatrics, geriatrics, rheumatology, sports medicine, allergy & immunology, endocrinology, genetics, diabetes, HIV and addiction medicine. And when you choose a Hoag Medical Group doctor, you gain access to all of Hoag’s world-class specialists, facilities, and resources. Click here to view the Hoag Medical Group specialists. When additional specialist care is required, Hoag Medical Group is pleased to provide access to Hoag Affiliated Physicians, a comprehensive specialist network that includes more than 300 physicians representing nearly 50 specialties. These are the Hoag specialists that are known in the community and work closely with the Hoag’s Neurosciences Institute, Family Cancer Institute, Jeffrey M. Carlton Heart & Vascular Institute, Women’s Institute, and Hoag Orthopedic Institute. To download a list of our specialist network, please click here.