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General Surgery

About Us

Surgeons at Weill Cornell Medicine are widely recognized and respected for their expertise and for being at the forefront of advances in the field.

Our surgeons treat a wide range of conditions, adopting and developing advanced methods for the surgical treatment of most abdominal disorders, including hernias, and conditions of the stomach, intestines, gallbladder and spleen.

At Weill Cornell Medicine, we perform repair of hernias, treat patients with surgical emergencies, perform biopsies, and remove growths from different parts of the body. Procedures are frequently performed using minimal access (laparoscopic and endoscopic) techniques.

We use the most advanced innovations, coupled with compassionate care to guide our patients through their individual surgical experiences.

Patient Services

Weill Cornell Medicine has a history of excellence in patient care, offering cutting-edge therapies and individualized care throughout New York City. Learn more about the services we offer below.

Our Surgeons

Thomas J. Fahey, III, M.D.

Phone: (212) 746-5130

Michael D. Lieberman, M.D.

Phone: (646) 962-8430

Rasa Zarnegar, M.D.

Phone: (212) 746-5130

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Cheguevara Afaneh, M.D.

Phone: (646) 962-8462

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Jason A. Spector, M.D.

Phone: (646) 962-8471

Robert Winchell, M.D.

Phone: (646) 962-8490

Leslie E. Cohen, M.D.

Phone: (646) 962-4275

Omar Bellorin-Marin
Omar Bellorin-Marin, M.D.

Phone: (646) 962-8462

David M. Otterburn, M.D.

Phone: (646) 962-4250

Gregory F. Dakin, M.D.

Phone: (646) 962-8462

Brendan M Finnerty, M.D.

Phone: (212) 746-5130

Anton Kelly, M.D.

Phone: (646) 962-8490

Nima Maghami
Nima Maghami, M.D., FACS

Phone: (646) 962-8490

Mayur Narayan
Mayur Narayan, M.D.

Phone: (646) 962-8490

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Jian Shou, M.D., F.A.C.S.

Phone: (646) 962-8490

Cassandra Villegas
Cassandra V. Villegas, M.D.

Phone: (646) 962-8490

Alessio Pigazzi
Alessio Pigazzi, M.D., FACS, PhD

Phone: (646) 962-2270

Patient Care

Our Locations

Upper East Side
525 East 68th Street
New York, NY 10021
Downtown
170 William St., 5th Floor
New York, NY 10038

Clinical Trials

Through extensive and innovative research programs, Weill Cornell Medicine is also focused on the development of new techniques and therapies that promote better outcomes and improve the quality of life for patients following surgery. Click here to learn more about our open clinical trials in New York City.

Virtual visit

Find a Physician

Surgical Services
Weill Cornell Medicine Surgery

Visit our Surgery YouTube channel to view our video library.