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New York Allergy & Asthma was founded by Sebastian Lighvani, MD, a Board Certified Allergist and pioneer in integrative allergy and asthma care. The practice provides access to world-class expertise in the field of Allergy and Immunology coupled with effective treatments that call on the best of both traditional and alternative medicine. Through close collaboration and communication, New York Allergy & Asthma patients are empowered to make better healthcare decisions as we formulate a holistic, individualized evidence-based treatment plan which takes into account the nuanced needs of each patient.
Conditions We Treat

Conditions we treat

Our practice specializes in the evaluation and management of a wide spectrum of allergic, respiratory and skin disorders in adults and children including asthma, hay fever, sinus problems, chronic cough, hives, eczema, and food allergies.

Testing & Procedures

Testing & procedures

From state-of-the-art allergy, pulmonary and immune testing to ongoing immunotherapy our board-certified allergy and asthma physicians are here to help you accurately diagnose and overcome your allergy, asthma and sinus issues.



New York Allergy & Asthma’s board-certified allergy and asthma physicians have attended some of the top Academic and Medical institutions around the world, like the Mayo Clinic, John Hopkins, King’s College of London and Weill Cornell.

Sebastian LIGHVANI, M.D.

Sebastian LIGHVANI, M.D.

Allergy and Immunology
Dr. Lighvani is Board Certified in Allergy and Immunology, as well as Internal Medicine. He's been voted one of America’s Top Doctors every year since 2006 and is a recipient of the Compassionate Doctor and Patient's Choice Awards. Dr. Lighvani serves as a Clinical Assistant Professor at Weill Cornell Medical College and is actively involved in teaching medical students, residents, and fellows in the field of Allergy and Immunology.
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Jessica Plager, M.D

Jessica Plager, M.D

Dr. Jessica Plager joins Allergy Experts after completing her Internal Medicine residency at Massachusetts General Hospital, Harvard University's teaching hospital and her Allergy and Immunology fellowship at Vanderbilt University Medical…

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Johh Hopkins - Allergy & Asthma

Monday 8:00 am – 4:00 pm
Tuesday 8:00 am – 4:00 pm
Wednesday 8:00 am – 4:00 pm
Thursday 8:00 am – 4:00 pm
Friday 9:00 am – 4:00 pm

New York Allergy & Asthma

Our office is conveniently located in the Upper Eastside, minutes away from both the Q and 6 trains.

1535 2nd Ave
Ground Floor
New York, NY 10075
Phone: (212) 517-3300
Fax: (212) 517-3303

"Dr. Toh is very attentive, thorough in her assessment and treatment plan, and is someone I instantly felt comfortable talking to! As a nurse myself, I can be picky with doctors I see, and I feel like she is a great one! I highly recommend Dr. Toh if you are seeking out a new allergist." - Julianne N.
"Dr. Toh was amazing! One of the best doctors I've ever had. She was incredibly patient and took her time with me, was very thorough, kind, and clearly intelligent." - Hannah H.
“Dr. Lighvani is very confidence-inspiring: knowledgeable, intuitive and a nice person besides. His staff is excellent also. I am glad I was referred to him.” – Anonymous
“Dr. Lighvani is an excellent physician. the following words come to mind – intelligent; knowledgeable; thorough; compassionate; caring. Although his specialty is allergy, he is perhaps one of the best physicians I have met regardless of specialty.” – Anonymous
“Dr. Linghvani was very meticulous in his understanding what/why I was in his office, and very clear in the methodology he would use. He has a great office space and a lovely staff.” – Karen D.
“Was so impressed with the care & attention I received. Was correctly diagnosed after a previous misdiagnosis. Will definitely be back in the future to ensure that my asthma and allergies stay under control!” – Julia P.
“Little to no wait time. The staff was courteous and very helpful. Dr. Lighvani was great, was not rushed and took the time to explain everything to me.” – Louis M.
“My first visit was a wonderful experience! I am confident that I am in good hands and that taking care of my health with the help of a doctor that knows and cares will give me a new lease on life.” - Doina S.
“He was very thorough with his explanations and what he wanted to do going forward with the plan. He seemed highly knowledgeable and his support staff was amazing! They made me feel welcomed and comforted!” - Jacob R.
Allergy Experts provides access to world-class expertise in the field of Allergy and Immunology coupled with effective treatments that call on the best of both traditional and alternative medicine.
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