top of page

Dr. Irena Offengenden 

Dr. Irena Offengenden is a US and Israel Board Certified Allergist and Immunologist with over 15 years of experience treating patients with the following conditions:


  • Asthma

  • Chronic Cough

  • Chronic Nasal  and Sinus Problems

  • Allergies to Environment

  • Allergies to Food

  • Atopic Dermatitis

  • Hives / Urticaria

  • Frequent infections/ evaluation of problems with immune system

  • Life threatening reactions/Anaphylaxis



Dr. Offengenden’s Training and Experience:


2019 - Present  - Physician at the Department of Autoimmunity, Allergy and Immunology, 

Sheba Medical Center, Tel HaShomer, Israel

2005 - 2017  - Physician and Partner at  Allergy and Asthma Care of Fairfield, LLC, CT, USA.

From 2010-2017 Dr. Irena (Veksler) Offengenden was named one of the Best Doctors in CT, USA.

2005  - Completed Fellowship in Pediatric and Adult Allergy and Immunology at Stony Brook University Hospital, NY, USA

2003  - Completed Residency in Internal Medicine,  UMDNJ New Brunswick University Medical College, NJ, USA

2000  - Medical Degree, Cornell University Medical School, NY, USA

1995  - Bachelors of Science, New York University, NY, USA

Dr. Offengenden is a member of the American Academy of Allergy Asthma and Immunology, European Association of Allergy and Clinical Immunology and Israeli Association of Allergy and Clinical immunology.


Dr. Irena Offengenden is fluent in English, Hebrew, and Russian.

bottom of page