Book online now for Dr Douglas Leventhal who is a board certified ear nose and throat doctor (otolaryngologist) in Oradell NJ with ENT and Allergy Associates. Dr Leventhal provides services for Adult Ear, Nose and Throat and Advanced Sinus/Skull base and Balloon Sinus Procedure and Facial Plastic Surgery and Pediatric Ear, Nose and Throat. Read verified patient reviews and ratings for Dr Leventhal as well as insurances accepted, education, awards, and specialties.