Our Faculty

Vikram Reddy, MD, PhD, MBA is chief of Colon and Rectal Surgery at Yale School of Medicine. He is a fellowship-trained colon and rectal surgeon. His goal is to help individuals have managed relief from chronic inflammatory bowel disease and its painful symptoms. He has extensive experience in the laparoscopic and robotic management and screening of anorectal cancer. He specializes in advanced laparoscopic management of colon and rectal diseases; screening and laparoscopic management of colon cancer; screening and management of rectal cancer (including laparoscopic or robotic sphincter preserving surgery and Transanal Endoscopic Microsurgery (TEMS); laparoscopic and robotic management of complicated or uncomplicated diverticulitis; management of inflammatory bowel disease (including laparoscopic bowel resection and ostomy, laparoscopic or robotic proctocolectomy, and J-pouch for ulcerative colitis); laparoscopic or robotic management of polyposis syndromes and disorders of continence.

Dr. Amit Khanna is an Assistant Professor in the Yale School of Medicine Department of Surgery. He serves as Director of Colon and Rectal Surgery for the Bridgeport region, and is responsible for leading the provision of colorectal surgical services across the area, in collaboration with the Digestive Health service line and Smilow Cancer Hospital Network teams. Dr. Khanna has more than 20 years of experience as a high-volume surgeon, specializing in the minimally invasive treatment and management of inflammatory bowel disease, colorectal malignancy, and anorectal diseases.

Dr. Leeds is an Assistant Professor in the Department of Surgery's Division of Colon & Rectal Surgery. His clinical practice broadly covers benign and malignant diseases of the colon, rectum, and anus. In addition, he leads a clinical research lab focused on identifying and optimizing modifiable risk factors of abdominal surgery. After obtaining an undergraduate degree at Princeton, Dr. Leeds taught high school science in Memphis, Tennessee with Teach For America. Dr. Leeds then went on to medical school at Emory University and completed clinical training in general surgery at The Johns Hopkins Hospital. He then finished subspecialty training in colon and rectal surgery at the Cleveland Clinic in Cleveland, Ohio. Along with his clinical training, Dr. Leeds has also obtained additional post-graduate degrees in business administration at the University of Oxford and clinical investigation at Johns Hopkins Bloomberg School of Public Health.

Walter E Longo, MD, MBA , FACS, FASCRS, Is one of five Yale surgeons who is board-certified specifically in colorectal cancer. He earned his medical degree from New York Medical College. He is fellowship trained and is a Board Certified General Surgeon and a Board Certified Colon and Rectal Surgeon. Dr. Longo is committed to providing patients with the highest standards for the diagnosis and medical and surgical management of the diseases of the colon, rectum, and anus using minimally invasive techniques. Watch a video with Dr. Walter Longo >>He specializes in screening and management of colon cancer; rectal cancer; anal cancer; sphincter preserving surgery; transanal removal of cancer; diverticulitis; inflammatory bowel disease; stricturoplasty; bowel resection; ostomy; polyposis syndromes and adenomatous polyps; hemorrhoids; fissures; fistulas; anal abscesses; disorders of continence; and pelvic floor disorders.

Dr. Anne Mongiu is an Assistant Professor in the Department of Surgery, whose clinical interests span the breadth of benign and malignant colon, rectal, pelvic and anal surgery. She completed her medical and doctoral degrees at Northwestern University, where her research was focused upon understanding mechanisms of cell motility. She completed her residency in General Surgery at Brigham and Women’s Hospital/Harvard Medical School, and then pursued a fellowship in Colon and Rectal Surgery at the University of Louisville, where she focused on minimally invasive (robotic) techniques for treating IBD, diverticular disease, and colorectal cancer.

Shilpa S. Murthy MD MPH is an Assistant Professor of Surgery in the Division of Colon and Rectal Surgery. Dr. Murthy completed her undergraduate degree with high honors in Molecular Cellular and Developmental Biology from the University of Michigan. She attended medical school at Pennsylvania State University College of Medicine. She completed her general surgery residency training at Indiana University and a colorectal fellowship at the John Goligher Colorectal Unit, NHS Leeds Teaching Hospitals, in England. This was sponsored by the Royal College of Surgeons England, and during her fellowship she was chosen as the Chief Administrative Colorectal Fellow. Her colorectal fellowship was focused on locally advanced and recurrent colorectal and anal cancers. She then went on to complete a Surgical Oncology Global Cancer Disparities Fellowship at Memorial Sloan Kettering Cancer Center (MSKCC) where she spent clinical and research time training at MSKCC in New York City as well as in Nigeria, Africa. Dr. Murthy’s research interests lie at the intersection of surgery and public health and how these two fields can improve cancer care delivery for underserved and disenfranchised patients. During her residency she obtained a Master of Public Health from the Harvard T.H. Chan School of Public Health and was a research fellow at the Center for the Surgery and Public Health/Brigham and Women’s Hospital in Boston,Massachusetts where she was trained in health services research, global surgery/oncology, and spent time in Rwanda, Africa. Dr. Murthy worked as an attending general surgeon at Navajo Nation in Gallup, New Mexico for the Indian Health Service to better understand local disparities in surgical care. Dr. Murthy also brings considerable experience as well working with the World Health Organization in Geneva, Switzerland in the Cancer Division where she contributed to the WHO Report on Cancer and research on premature mortality outcomes of various cancers, and the cancer workforce. She was also a Lancet Commissioner for the Lancet Oncology Journal Commissions in Global Cancer Surgery Part I and Part II. Dr. Murthy’s clinical practice consists of general and colorectal surgery at the West Haven Veterans Affairs Hospital in Connecticut and her research is dedicated to improving cancer care delivery for veterans and vulnerable patients.