Ragavan (Raga) Siddharthan MD is a board-certified colon and rectal surgeon with expertise in both colon and rectal surgery and general surgery. He serves as an Assistant Professor of Surgery in the Department of General Surgery at the University of Washington School of Medicine. Dr. Siddharthan believes in collaboration between the patient and their treatment team. Personalizing care according to established medical guidelines is his primary goal. What may be the best treatment for one patient might not be ideal for another. His main aim is to bridge this gap and provide the highest quality of care tailored to each patient's specific needs.

Dr. Siddharthan specializes in the diagnosis and treatment of a wide range of colorectal conditions, including anorectal disorders, cancer, and diverticulitis. He primarily utilizes minimally invasive techniques, performing the majority of his procedures laparoscopically or robotically. Additionally, he conducts screening colonoscopies.