Covering every aspect of health care for adults, Internal Medicine is the largest department in the Yale School of Medicine, and the largest clinical service at Yale New Haven Hospital. We provide comprehensive and specialized services in all areas in a variety of outpatient settings as well as the Veterans Affairs (VA) Connecticut Health Care System campus in West Haven. Our culture of collaboration and research gives patients access to expert opinions from nearly 1,000 doctors, as well as opportunities to get tomorrow’s health care today through more than 100 clinical trials. Most importantly, we attend to our diverse community of patients with compassionate, thorough care. Specialized care is offered in the following areas: Allergy & clinical immunology Cardiovascular medicine Digestive diseases Endocrinology General internal medicine Geriatrics Hematology Infectious diseases Medical oncology Occupational health & environmental medicine Nephrology Pulmonology, critical care & sleep medicine Rheumatology International reputation for work in understanding function, independence, and quality of life in older persons Key research breakthroughs of the past decade that include the development of a protective Lyme bacillus disease vaccine, exploration of the underlying causes of allergic disease, and the discovery of novel inherited immunological diseases Largest interventional cardiology program in Connecticut Major referral center for patients with type 1 and type 2 diabetes, as well as other metabolic conditions Nationally ranked program in kidney diseases and the largest kidney transplant program in New England, with multidisciplinary care clinics One of the largest peripheral vascular programs in the country, with leadership and participation in multiple new percutaneous device trials Once of only a few motility centers in Connecticut to provide all motility procedures and services Unique medical forensic exams for individuals with claims of torture who are seeking asylum in the U.S.

Yale Cancer Center is Connecticut's only cancer center designated as a Comprehensive Cancer Center by the National Cancer Institute—and one of only 57 in the nation. The significance of this designation has profound implications for those who choose Smilow Cancer Hospital as the place where they will be cared for and receive treatment for their cancer. National Cancer Institute cancer centers are national leaders in cancer research, prevention, detection, and treatment. This provides patients at Smilow Cancer Hospital with novel treatment options and expert care.

Our uncompromising faculty and staff are dedicated to the welfare of children and adolescents. One of two major pediatric centers in Connecticut, Yale offers an extensive range of services for patients through our 14 specialties. In addition, we have several interdisciplinary centers and programs that involve collaborations with multiple departments throughout Yale Medicine and Yale New Haven Children’s Hospital. Thanks to our reputation for comprehensive pediatric care, we serve as a regional and national center for referral and consultation. Many of our physicians are internationally recognized for their innovative approaches to the diagnosis and treatment of conditions including arrhythmias, diabetes, cystic fibrosis, childhood cancers, juvenile diabetes, dyslexia, blood disorders, infectious diseases, and complications of premature birth, as well as many other disorders. We are leaders in the global pediatric community, advocates for childhood health and development, and innovators in research. We rank among the top pediatric centers in the country with respect to National Institutes of Health support for research. Neonatal and pediatric ICUs that serve our most vulnerable patients with the highest level of care 24/7 subspecialty telephone consultation service for primary care clinicians with expected response time of three minutes More than 20 years of experience with neonatal and pediatric Extracorporeal Membrane Oxygenation, a sophisticated machine that acts as an artificial heart and lungs, crucial for some seriously ill infants One-call center that provides centralized appointment scheduling for all pediatric specialties Close collaboration with other Yale departments to provide such services as molecular and genetic diagnostic services, state-of-the art management of high-risk fetuses and newborns, bone marrow transplantation, and management of complex malignancies