Arun Swaminath, MD, is a gastroenterologist specializing in inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis. His practice focuses on complex and treatment-refractory IBD, including patients with diagnostic uncertainty, complications of disease, prior intestinal surgery, altered post-surgical anatomy, and post-surgical complications. He is frequently consulted by other gastroenterologists for patients whose diagnosis or management is particularly challenging.

Dr. Swaminath received his medical degree from the University of California, San Diego School of Medicine, where he also completed his internal medicine residency, served as Chief Resident, and completed fellowship training in gastroenterology. He subsequently completed the Present-Levison Advanced Inflammatory Bowel Disease Fellowship at the Icahn School of Medicine at Mount Sinai.

Prior to joining Weill Cornell Medicine, Dr. Swaminath served as Chief of the Division of Gastroenterology and Director of the Inflammatory Bowel Disease Program at Lenox Hill Hospital/Northwell Health, where he built and led a comprehensive IBD program integrating advanced medical therapy,  colorectal surgery collaboration, clinical research, and specialized training in IBD.

Dr. Swaminath has extensive experience in clinical research and the development of new therapies for IBD and has served as principal investigator for numerous Phase 2 and Phase 3 clinical trials. He is nationally recognized for his expertise in IBD and is frequently sought out by academic colleagues, pharmaceutical and biotechnology companies, and clinical research organizations for input on complex patient care, clinical trial design, and emerging therapies.

He is also deeply involved in national physician education in IBD and has trained and mentored gastroenterologists pursuing advanced specialization in the field. At Weill Cornell Medicine, Dr. Swaminath will provide specialized care for patients with IBD while helping expand access to comprehensive IBD care across the eastern region of NewYork-Presbyterian and its affiliated physician and community network.