He completed a residency at Waterbury Hospital. Dr. Liberis also specializes in Critical Care Medicine and Surgical Critical Care. He currently practices at George Liberis MD and is affiliated with Bon Secours Community Hospital, Nyack Hospital and Summit Park Hospital. Dr. Liberis accepts multiple insurance plans including Aetna, MVP Health Plan and Medicare. Dr. Liberis is board certified in Surgery. Dr. Liberis also practices at Community Medical Care in Pomona, NY.