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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 Pascack Valley Medical Group, she was in private practice in Ridgewood, NJ for over 20 years. She believes in the importance of patient education and partnership in managing their conditions. Dr. Co is a highly trained physician with experience to diagnose, treat and manage allergies, asthma and immunologic disorders including primary immunodeficiency disorders. These conditions range from the very common to the very rare, spanning all ages and encompassing various organ systems. Dr. Co is a Castle Connolly Top Doctor in her field.
Dr. Co is dual board certified in Allergy and Immunology by the American Board of Allergy and Immunology.
Dr. Co is knowledgeable and personable. She explains everything but also listens. The staff in the Emerson office (especially Clara) are very friendly too! I definitely recommend her.
I went to see Dr Co to get allergy tested and it was determined that I have no allergies just a very sensitive nasal lining which makes my nose run constantly. I just needed a nasal spray which works great. She also suggested I get tested for a penicillin allergy that I've had all my life. It was such a relief to learn that I have no allergy to penicillin. Dr Co is so easy to talk to. She spent plenty of time with me explaining what the allergy tests would look like. I would definitely recommend her to my friends and family.
— Kim I Vallejo
Initial consultation: Dr Co very methodical and thorough, spent necessary amount of time to understand current situation to determine future treatment. Also periodic reassessment of initial determination is part of her methodology. Very satisfied with her care and view.
— Cory Wong
Our appointment was kept on time. Her staff was proficient. My first visit to Dr. Margaret Co was very productive. I had suffered an asthma attack resulting in an ER visit a few days earlier. She heard all my symptoms, they were numerous. Prioritized and setup plan of attack. Prescribed the necessary meds to control my asthma to prevent another asthma attack episode. Since I felt my asthma attack was due to allergies. I never had asthma before. We setup a follow up to test for allergies.
She is the best
— Jacid Soto
I’ve been going to Dr. Co for thirty years. She has always taken wonderful care of me. She always listens to my concerns and gives me advice and suggestions. I would highly recommend her to anyone looking for a compassionate, knowledgeable Allergist.
— Diana F