Dr. Daniel Grinberg was born and raised in Mexico City He received his medical degree from Columbia University College of Physicians and Surgeons. He completed his residency at New York University Medical Center. He has been in practice in Rockland County, NY, for over 20 years specializing in adult and pediatric otolaryngology with special interest in endoscopic sinus surgery, nasal obstruction, and thyroid and parathyroid surgery. He is board certified in Otolaryngology/Head and neck surgery. He is a fellow of the American Academy of Otolaryngology. He is currently the Chief of ENT an Nyack Hospital and an Assistant Clinical Professor at the Mount Sinai School of Medicine. He holds admitting privileges at Good Samaritan Hospital, Nyack Hospital, and the Valley Hospital.