Dr. George N. Liberis

George N. Liberis, MD, FACS

Dr. Liberis is a general surgeon, Diplomate of the American Board of Surgery, holding licenses to practice medicine and surgery in the states of New York, New Jersey and Maryland since 1986.

Dr.Liberis has also been a Board Certified surgeon in Greece. Dr. Liberis operates at Good Samaritan Hospital in Suffern, NY 10901.

Dr. Liberis is a Diplomate of the American Board of Surgery. He is Clinical Assistant Professor of Surgery, New York Medical College. He received his M.D. from the University of Athens and completed his Doctorate of Science with a dissertation on “Complement Activation in the Septic Patient”.

Dr. Liberis completed his residency in General Surgery at Westchester Medical Center, where he also completed a Fellowship in Surgical Critical Care, giving him the opportunity to be an Intensivist as well as a General Surgeon.

Dr. Liberis speaks English, Italian, Greek and Spanish.

George N. Liberis, M.D., SC.D., FACS
Dedicated General Surgeon with a strong track record of success in diagnosing and treating difficult surgical cases. Skilled diagnostician with 30+ years of expertise in state-of-the-art surgical methods with proven ability to function well in fast-paced settings and committed to compassionate patient care and post-surgical support.

University of Athens – MD Cum Laude 1977

University of Athens – Sc.D. Summa Cum Laude 1986

Doctorate of Science – Dissertation: Study of Complement in the Septic Patient

  • Chief Resident in General Surgery, June 1993-June 1994

Westchester County Medical Center, New York Medical College, Valhalla, N.Y.  

  • Fellowship in Surgical Critical Care, June 1992-June 1993  

Westchester County Medical Center, New York Medical College, Valhalla, N.Y.  

  • Resident in General Surgery, June 1990-June 1992  

Harlem Hospital, Columbia University College of Physicians and Surgeons, New York, N.Y.  

  • Resident in General Surgery, June 1988-June 1990  

Stony Brook University Hospital, Stony Brook, N.Y.  

  • Chief Resident in General Surgery, July 1984-July 1986  

Hippocration Hospital, University of Athens, Athens, Greece  

  • Resident in General Surgery, June 1982-June 1984  

Waterbury Hospital, Yale University, Waterbury, CT.

  • Resident in General Surgery, March 1981-May 1982  

Kalamata Hospital, Kalamata, Greece 


  • The American College of Surgeons
  • The American Society of General Surgeons
  • The International Society of Surgeons
  • The American Society of Critical Care Medicine
  • The American Hepatopancreatobiliary Association
  • The Medical Society of New York
  • the Surgical Society of New York Medical College
  • The Society of Laparoendoscopic Surgeons
  • American Cancer Society
  • Breast Health Partnership Cerificate of Recognition
  • World Association of Hepato-Pancreato-Billary Surgery
  • International Society of Surgery
  • Rockland Immigration Coalition
  • The Marquis Who Is Who
  • International Hepato Pancreato Biliary Association
  • Background in trauma and fellowship in critical care  
  • Seasoned medical professional with a broad spectrum of skills and an excellent reputation for sound clinical judgment  
  • Laparoscopic Surgery skillset  
  • Maintains a successful private practice in Rockland County, NY   
  • Calm decision making under pressure and diagnostic test evaluation  
  • Clinical acumen  
  • Numerous awards and publications 

Patients are scheduled on Wednesday and Friday afternoons in our New City office for consultations—and post-surgical care by appointment.

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Office Info


100 Phillips Hill Rd
New City, NY 10956


(845) 354-8304




(845) 354-8308

Office Hours

Monday 2pm - 6pm
Wednesday 2pm - 6pm
Friday 2pm - 6pm

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This is not a confirmed appointment. Dr. Liberis will call you within 24-48 hours to confirm the date and time of your appointment. Thank you.