Our Team of Specialists
All hold staff appointments at Bryn Mawr Hospital, The Childrens Hospital of Philadelphia, and/or St. Christopher’s Hospital for Children.

Jack M. Becker, M.D.
• Temple University School of Medicine, Philadelphia, PA
• Rainbow Babies and Children’s Hospital, Cleveland, Ohio
• Children’s Hospital of Philadelphia
Dr. Jack M. Becker graduated from Temple University School of Medicine, and completed his residency in Pediatrics at Rainbow Babies and Children’s Hospital in Cleveland, Ohio. He then trained in Allergy and Immunology at Children’s Hospital of Philadelphia. His academic career has included positions on the faculty of MCP/Hahnemann University, Temple University, and Drexel University College of Medicine. He is a nationally recognized expert in the field of sports and asthma. He is a past president of the Pennsylvania Asthma and Allergy Association and is presently the chair of the Asthma Mortality Committee and vice-chair of the Sports Medicine Committee for the American Academy of Asthma, Allergy and Immunology. He has been selected by Philadelphia Magazine as “Top Doc – Allergy/Immunology”. Dr. Becker joined Main Line Allergy in January of 2007, where he sees pediatric and adult patients in our Horsham and Ardmore offices. He holds staff appointments at Bryn Mawr Hospital and St. Christopher’s Hospital for Children. He has given hundreds of lectures on a variety of topics relating to asthma and allergy and is published on many subjects from exercise induced asthma to food allergies. His interests include inner city and sports asthma, food allergy and anaphylaxis.

A. Geoffrey DiDario, M.D.
• University of Vermont College of Medicine, Burlington, VT
• Naval Medical Center, Portsmouth, VA
• St. Christopher’s Hospital for Children, Philadelphia, PA
• Thomas Jefferson Hospital, Philadelphia, PA / A.I. duPont Hospital for Children, Wilmington, DE

Janet L. Beausoleil, M.D.
• University of Connecticut School of Medicine, Farmington, CT
• Dartmouth-Hitchcock Medical Center, Lebanon, NH
• Thomas Jefferson University Hospital, Philadelphia, PA

Jennifer A. Kannan, M.D.
• Northeast Ohio Medical University, Rootstown, OH
• University of Cincinnati Medical Center, Cincinnati, OH
• University of Cincinnati Medical Center/Cincinnati Children’s Hospital, Cincinnati, OH

Hillary Gordon, M.D.
• Sydney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA
• University of Maryland Medical Center, Baltimore, MD
• Thomas Jefferson University, Philadelphia, PA/Nemours Children’s Hospital, Delaware, Wilmington, DE

Lauren Woodward, PA-C
• Duquesne University, Pittsburgh, PA
• Doylestown Hospital, Doylestown, PA
• WellNow Urgent Care, Buffalo, NY
Lauren is a board-certified Physician Assistant with 4+ years of extensive experience in ENT, allergy, and asthma care. She provides high-quality, patient-centered care across all age groups, with a clinical focus on asthma, environmental and food allergies, eczema, immunodeficiency, and related conditions.
Prior to Main Line Allergy, Lauren practiced at The Asthma Center in Langhorne, PA, where she functioned as an independent provider. She is skilled in a wide range of diagnostic and therapeutic techniques, including fiberoptic nasal endoscopy, pulmonary function test interpretation, and allergy testing. She also managed advanced treatments such as subcutaneous and sublingual immunotherapy and biologic therapies (including Dupixent and Xolair). She also served as a Physician Assistant at Rockoff Allergy and Immunology in Tonawanda, NY, where she also provided comprehensive care for patients with complex allergic and immunologic conditions.
Lauren earned her Master of Physician Assistant Studies and Bachelor of Science in Health Sciences from Duquesne University, graduating summa cum laude and magna cum laude, respectively. Her graduate research focused on the role of procalcitonin in managing lower respiratory tract infections. She is certified by the NCCPA and licensed to practice in Pennsylvania, New Jersey, and previously in New York.