Dr. Michael D. Lieberman

Dr. Michael D. Lieberman, MD, is a nationally recognized surgical oncologist specializing in the treatment of gastrointestinal and hepatobiliary malignancies. He serves as Director of Surgical Oncology at NewYork-Presbyterian/Weill Cornell Medical Center and is an Associate Professor of Clinical Surgery at Weill Cornell Medicine. Dr. Lieberman also directs surgical services at the Jay Monahan Center for Gastrointestinal Health, a multidisciplinary center for GI cancer prevention, diagnosis, and treatment. He earned his medical degree from New Jersey Medical School, completed his general surgery residency at the Hospital of the University of Pennsylvania, and pursued advanced fellowship training in surgical oncology at Memorial Sloan Kettering Cancer Center.

Dr. Lieberman is known for his expertise in complex abdominal surgeries involving the stomach, pancreas, liver, gallbladder, colon, and rectum, as well as melanoma and soft tissue sarcoma. He is particularly focused on minimally invasive and laparoscopic surgical techniques that enhance patient recovery and preserve quality of life. His clinical and academic work spans cancer surgery, perioperative care, and nutrition in oncology, and he has authored numerous peer-reviewed publications and book chapters. His ongoing research interests include multidisciplinary approaches to gastrointestinal cancer care and improving surgical outcomes for patients with advanced malignancies.

Beyond his clinical practice, Dr. Lieberman is a dedicated educator and mentor, guiding surgical residents, fellows, and early-career physicians at Weill Cornell Medicine. He is board-certified in general surgery and holds memberships in leading professional organizations, including the Society of Surgical Oncology and the Society for Surgery of the Alimentary Tract. He has been honored with multiple teaching and patient care awards, and is consistently recognized among New York’s “Top Doctors” and “Super Doctors.” Through his commitment to surgical excellence, collaborative cancer care, and academic mentorship, Dr. Lieberman continues to advance the field of gastrointestinal surgical oncology.