10/17/2025
We would like to formally introduce our newest provider, Dr. Jennifer Brennan. She is a fantastic addition to the Delaware Valley Allergy team, and we are pleased to have her on staff!
Dr. Brennan joined Delaware Valley Allergy in April 2025 after completing her Allergy and Immunology fellowship at Penn State Health Milton S. Hershey Medical Center in Hershey, PA. Prior to Medical school, Dr. Brennan received her Bachelor of Arts in Biology from Boston University. She received her medical degree from the Philadelphia College of Osteopathic Medicine in May 2019, and then completed her Internal Medicine residency at Jefferson Health Northeast in Philadelphia, PA in June 2022.
Dr. Brennan is board-certified in Internal Medicine. She is a member of the American Board of Internal Medicine, the American Academy of Allergy, Asthma and Immunology, the American College of Allergy, Asthma and Immunology, and the Pennsylvania Allergy and Asthma Society. Dr. Brennan has multiple publications within the field of Allergy and Immunology and has presented at both national and state conferences, including the PAAA, AAAAI and ACAAI. Dr. Brennan has special interests in allergic rhinitis, asthma and drug allergy. When she is not in the office, Dr. Brennan enjoys spending time with her family, hiking with her dogs, and baking.
