Our Syosset medical office provides allergy testing, asthma treatment, sinus surgery, hearing tests, ear pain treatment, and ENT care. Board-certified allergist Dr. Gadi Avshalomov and ENT specialists Dr. Kenneth Etra and Dr. Richard Etra serve Nassau County.
575 Underhill Blvd Suite 175
Syosset, NY 11791
4.5 rating · 50 reviews
Steven Zindman
“My wife had a chronic cough for years and saw several doctors for help. She was given many medications to treat the cough, but was never successful in alleviating the symptoms or determining the cause until she saw Dr. Gadi. His precision …”
Michael Murtha
“One of the best places to visit in the healthcare system. Efficient, clean and personable. Everyone truly cares about the patient experience and overall health of each patient. I am very grateful & thankful for Dr Gadi and his staff, they change my life.”
Stacey Guinan
“Dr Gadi is amazing! Knowledgeable, kind and empathetic….he truly cares and is determined to help his patients get better. He takes so much time to listen and answers every question, explaining until he is sure his patients are comfortable …”
Mary Reinhardt
“My 9 year old daughter began weekly allergy shots in July 2024. She is allergic to grass and tree pollen and suferred through the months of April and May. This spring, 2025, she is so much better! We are truly amazed! We wanted an …”
Mary Ann Jankowski
“I have been going to Dr Gadi for my allergies which I have suffered with since my younger days. Although I was skeptical about getting the allergy shots, I gave Dr. Gadi a year to see if any positive results would come out of this …”
Gabi Gabi
“Dr. Gadi is always looking out for new treatment options. He is an amazing doctor. We are very grateful for the attentive medical and office staff at Syosset. Thanks Frank, Jackie, Arielle, Judy and Leeds.”
Frank LiBretto
“I have been coming here for a little over 6 years and guess what? I do not have to anymore. My allergies are in control! …”
Anthony Zanni
“The absolute best allergist around. He doesn't just do allergy shots alone, he combines it with an antibody test, and the results have been life changing! My immune system has become much stronger, and my allergies have disappeared. I used …”
Rose
“I have known Dr. Avshalomov for at least 14 years. He helped me tremendously years ago in finding my immune deficiency. I recently starting seeing him again as my health declined. He is a Gem! He is the most caring, patient & informative doctor. Thank you so much Dr. GA you're the best! :)”
Jackson Masters
“Went through four years of treatment with Dr. Gadi. Haven’t been sick since I started the shots. Definitely a life changer, highly recommend.”
progamer luck
“The best Doctor”
Our board-certified specialists bring years of experience in allergy, asthma, and ENT care. We provide personalized treatment plans tailored to your needs.
Easy scheduling with same-day appointments available. Our Syosset location offers flexible hours and accepts most major insurance plans.
575 Underhill Blvd Suite 175, Syosset, NY 11791
Many riders take a short rideshare (≈10 - 20 min) from Syosset Station.
If you have insurance, we will work with most insurance plans, including:
