Margaret Co, M.D.

5.0 out of 5 
Office Locations:

Emerson (466 Suite1)

466 Old Hook Road, Suite #1
Emerson, NJ 07630
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Paramus - Suite 301

1 West Ridgewood Avenue, Suite 301
Paramus, NJ 07652
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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 Bergen Medical Associates, she was in private practice in Ridgewood, NJ for over 20 years. Dr. Co is Board Certified in Allergy and Immunology and sees both adults and children. She believes in the importance of patient education and partnership in managing their conditions. Her special interests include food allergy, asthma, allergic skin disorders and immune therapies. Dr. Co is a Castle Connolly Top Doctor in her field.

Featured Reviews



Members of my family have been going to Dr Co for years now. Her knowledge and care are the best I've experienced. Office staff is helpful, and appointments are on time.

   — Kathy C.


Excellent! I went to Dr. Co years ago for uncontrolled asthma. Dr. co helped me to manage my asthma and I have been almost symptom free for over 17 years, using only an emergency inhaler on rare occasions. Over the last 3 years I developed Psoriasis and sever eczema and contact dermatitis. I was to several doctors and finally found a dermatologist who helped me manage my psoriasis. After two years of flare ups and many creams and biologics I still was breaking out with painful skin rashes and psoriatic arthritis. I went to see Dr. Co in desperation. Dr. Co took blood work followed by skin testing . I tested positive for allergies to several different chemicals that were in my shampoos, laundry detergents, hand soaps and many products I was using. Thanks to Dr. Co. and a plan of action to eliminate and replace all products I was reacting to, by some miracle, my psoriasis have gone away. I am symptom free! I am on a non steroid cream to control further breakouts and I have

   — Gayle Benedetto


on time and very helpful

   — John Leber

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