The Department of Internal Medicine is the largest department within UTMB's John Sealy School of Medicine, encompassing multiple divisions including Allergy and Immunology, Endocrinology, Gastroenterology & Hepatology, General Medicine, Geriatrics, Infectious Disease, Medical Oncology and Hematology, Nephrology, Palliative Care, Pulmonary, Critical Care & Sleep Medicine, and Rheumatology. Under the leadership of Dr. Salim Hayek, the Department of Internal Medicine fosters a culture of excellence grounded in six core principles: radical transparency, recognition of exceptional contributions, shared accountability for elevating care, support for practicing at the top of one's scope, investment in academic success, and collaboration across all divisions.