Allergy Group NJ

Offices in Central NJ
Holmdel and Manalapan

Experience and Expertise

Dr. Linden Ho and Dr. Sonia Guirguis are board-certified allergists who bring years of professional experience to providing devoted care for children and adults with allergies, asthma and food allergy. Allergy Group NJ has offices in Holmdel and Manalapan, NJ. We serve Monmouth, Ocean, Middlesex and Mercer Counties.

Learn more about our doctors.

Comprehensive and Personal Approach

We promise expert, comprehensive care for each of our patients.  Our doctors treat a wide range of allergic conditions such as hay fever, asthma, peanut allergy, eczema, hives and more. You will receive our personal attention and an individualized plan to make you feel better.

Our Food Allergy Program

If you are looking for a food allergy doctor in NJ, you can place your trust in us. Our doctors have special expertise in food allergy treatment, including peanut allergy, tree nut, milk and egg allergies. For children with anaphylactic food allergies, we offer a well-established and active oral immunotherapy (OIT) program.

“Dr. Ho is amazing!! He takes the time to fully understand what is going on and figure out what is the best course of treatment. I would 110% recommend him to anyone.”   
Theresa M. in New York, NY
“Dr. Guirguis has helped me control my allergies and asthma for many years. Even after I moved to South Jersey, I still travel over an hour for my monthly shots and office visits. She is kind, patient, and very knowledgeable… a great doc!!!”
Nancy Leeming
“Dr. Sonia Guirguis is one of the best doctors I’ve been to. She takes her time with each patient, speaks to them and I’ve never felt that she rushed me to go to the next patient. Besides her amazing bedside manner, she is brilliant at diagnosis.”
Silvia George Malek


Oral Immunotherapy


A Promising New Treatment for Food Allergies

Patients and their families no longer have to live with the fear of food allergy

What if you could eat the foods you love without the fear of a reaction? Can you imagine a life that doesn’t revolve around food allergies? It’s time to consider a new solution: oral immunotherapy (OIT).

Allergy Group NJ is one of the few practices to offer OIT allergy treatment, and we’re changing lives with it.  Learn More about OIT

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“Love this practice. Everyone is very pleasant and helpful. The doctors are amazing and you can tell they love what they do.”


See what our patients have to say.
Study shows OIT effective in young children

Latest Posts

Allergy news and office updates

Allergy Affiliates Telemedicine


We now offer telemedicine visits.

We Treat The Full Range Of Allergic Conditions

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