Dr. Gregory Fischer is an anesthesiologist in New York, New York and is affiliated with multiple hospitals in the area, including Memorial Sloan Kettering Cancer Center and Mount Sinai Hospital. He received his medical degree from University of Zurich Faculty of Medicine and has been in practice for more than 20 years. Dr. Gregory Fischer accepts Medicare, Aetna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Gregory Fischer is highly recommended by patients.