Browse Faculty by Department: Allergy, Immunology and Infectious Diseases Cardiovascular Diseases and Hypertension Education Endocrinology, Metabolism and Nutrition Gastroenterology and Hepatology General Internal Medicine Hematology Medical Oncology/CINJ Nephrology Pulmonary Disease and Critical Care Medicine Rheumatology and Connective Tissue Research All Faculty: Go back to directory. Alexander Lalos, MD Assistant Professor Department of MedicineGastroenterology and Hepatology Categories: Gastroenterology and Hepatology Updated 2 years ago.