Margaret Co, M.D. is Board Certified in Allergy and Immunology and sees both adults and children. Her special interests include food allergy, asthma, allergic skin disorders and immune therapies. Dr. Co is a graduate of the University of the Philippines College of Medicine. She completed her Residency at Long Island Jewish Medical Center and her Fellowship in Allergy and Immunology at New York Presbyterian Hospital - Cornell Campus. Prior to joining Bergen Medical Associates, she was in private practice in Ridgewood, NJ for over 20 years. Margaret Co is accepting new patients at the Emerson and Paramus, NJ locations of Bergen Medical Associates.