Our Team

The Hernia Center treats simple and complex hernias of the abdominal wall.

Peter L. Geller, MD, FACS

Director
Phone: 212.326.5547

Peter L. Geller, MD, FACSDr. Geller has practiced surgery at NewYork-Presbyterian/Columbia University Medical Center since 1987. His surgical expertise includes open and laparoscopic surgery of the abdomen, including the gall bladder, stomach, colon, rectum, and small intestine, as well as the breast and lymph nodes. During the past decade, Dr. Geller developed a particular interest in the repair of abdominal wall hernias, and he now focuses his practice exclusively in this area. He is Director of the Columbia University Hernia Center, Attending Surgeon in the Division of General Surgery and Professor of Surgery at Columbia University Medical Center.

In addition to his clinical practice, Dr. Geller is currently involved in research regarding the use of botulinum toxin in the repair of abdominal wall hernias where abdominal space has been compromised.

Spencer E. Amory, MD, FACS

Phone: 212.305.5221

Spencer E. Amory, MDDr. Amory received his medical training from Johns Hopkins and Columbia Universities. He developed techniques in laparoscopic cholecystectomy that enabled his group to have the lowest open cholecystectomy rates in the state. In addition, Dr. Amory has earned a reputation for his diagnostic acumen in complex surgical problems and for highly individualized and personalized care. In recognition of his exceptional care of patients, collegiality with peers, and outstanding outcomes, Dr. Amory was awarded the the 2014 Jerry Gliklich Award for Exemplary Clinical Care, formerly "Practitioner of the Year" award, by the NewYork-Presbyterian/Columbia University Medical Center Society of Practitioners.

Zachary L. Gleit, MD

Phone: 212.305.0319

Zachary L. Gleit, MDZachary L. Gleit, MD, has served as Assistant Professor of Surgery at Columbia University Medical Center since 2001 and Director of Surgery at the Allen Hospital since 2008. After completing his undergraduate education at Harvard College, he received his medical degree at Harvard Medical School/ Harvard/MIT Division of Health Sciences and Technology, followed by surgical training at NewYork-Prsebyterian/Columbia. He traveled to Ethiopia in 1998 as part of a humanitarian mission with Doctors Without Borders. Dr. Gleit’s surgical practice in the Hernia Center and in the Division of General Surgery includes hernia repair, gall bladder surgery, colorectal surgery, appendectomy, and splenectomy.