About
Dr. Gadi Avshalomov is a board-certified allergist and immunologist with more than 25 years of clinical experience. He earned his medical degree from New York University and Tel Aviv University's Sackler School of Medicine in 1996. He then completed his residency in Pediatrics at North Shore-Long Island Jewish Health System. His fellowship in Allergy and Immunology followed at Cohen Children's Medical Center.
Dr. Avshalomov treats both adults and children across a range of conditions, including seasonal allergies, asthma, eczema, and immune system disorders. He tailors allergy immunotherapy to each patient's specific sensitivities. His patient-centered approach emphasizes clear communication; patients consistently note that he takes time to explain diagnoses and treatment options thoroughly. He practices at the Brooklyn, Manhattan, Great Neck, Syosset, Ronkonkoma, and Port Jefferson locations. He speaks English, Spanish, Hebrew, and Turkish.
Education & Training
Medical School
New York University and Tel Aviv University's Sackler School of Medicine (graduated 1996)
Residency
Residency in Pediatrics, North Shore-Long Island Jewish Health System
Fellowship
Fellowship in Allergy and Immunology, Cohen Children's Medical Center
Certifications
Languages
English, Spanish, Hebrew, Turkish
Conditions Treated
Who is Dr. Avshalomov right for?
Dr. Avshalomov suits adults and children managing allergies, asthma, eczema, or immune system disorders. Patients who want individualized immunotherapy benefit from his tailored approach. His multilingual fluency in English, Spanish, Hebrew, and Turkish makes him accessible to a broad range of patients. Those who value thorough explanations and clear communication tend to thrive under his care.
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Frequently Asked Questions
Dr. Avshalomov treats seasonal allergies, asthma, eczema, and immune system disorders in both adults and children. He also delivers customized allergy immunotherapy and biologic therapy for severe asthma cases.
Yes. Dr. Avshalomov holds board certification in Allergy and Immunology. He also completed fellowship training at Cohen Children's Medical Center following his pediatrics residency.
Yes. Dr. Avshalomov treats both children and adults. His residency training focused on pediatrics, and he has managed pediatric allergy and immunology cases throughout his 25-plus-year career.
Dr. Avshalomov practices across all six locations, including Brooklyn, Manhattan, Great Neck, Syosset, Ronkonkoma, and Port Jefferson.
Dr. Avshalomov speaks English, Spanish, Hebrew, and Turkish. This allows him to communicate directly with patients from a wide range of backgrounds.
Dr. Avshalomov tailors each immunotherapy plan to the patient's specific sensitivities. He does not use a one-size-fits-all protocol. Patients receive a customized treatment plan built around their individual allergy profile.
Dr. Avshalomov earned his medical degree from New York University and Tel Aviv University's Sackler School of Medicine in 1996. He completed his pediatrics residency at North Shore-Long Island Jewish Health System and his fellowship in Allergy and Immunology at Cohen Children's Medical Center.
Doctor profile last updated March 21, 2026