Dr. Lewin is a nationally recognized anatomic and clinical pathologist with subspecialty interest in gastrointestinal (including esophageal), liver and pancreatic pathology. His clinical responsibilities include analysis of gastrointestinal, liver, pancreatic and pulmonary pathology tissue biopsies and surgical resections. Dr. Lewin is the director of gastrointestinal and hepatic pathology. He participates in the thoracic, gastrointestinal, and liver multidisciplinary tumor boards. He actively participates in pulmonary and gastrointestinal clinical trials.
Dr. Lewin has a number of administrative roles both at MUSC and with national societies. He is the past president of the Gastrointestinal Pathology Society and is on the board of directors of the American Society of Clinical Pathology. He is one of the Vice-Chairs of the department of pathology and laboratory medicine at MUSC. He serves on a numerous committees including the chair of the Institutional Review Board 3 (IRB 3) and the promotion and tenure committee for the university.