Dr. Gennaoui graduated from American University of Beirut in 1968 and has been in practice for 49 years. He completed a residency at Memorial Sloan Kettering Cancer Center. He currently practices at Nicholas Gennaoui MD FACS and is affiliated with Good Samaritan Hospital, Nyack Hospital and Westchester Medical Center. Dr. Gennaoui accepts multiple insurance plans including Medicare, Humana and Cigna. Dr. Gennaoui is board certified in Surgery.