Mary S. Morris, MD, ABIM

Mary S. Morris, MD, ABIMDr. Mary S. Morris, or Dr. Mary as she is affectionately known to her patients, has been in practice at Allergy Associates of La Crosse (AAOL) since 1989 after serving her internal medicine residency at the University of Wisconsin-Milwaukee, practicing at St. Luke’s Hospital in Milwaukee, and receiving her board certification in internal medicine in 1986. She and her partners at AAOL, including her late father – sublingual immunotherapy (SLIT) pioneer and board certified allergist and family practitioner David Morris, MD – authored and published the La Crosse Method™ Protocol, and have shared it with more than 1,800 physicians across the U.S. and internationally.

In addition to her busy clinical practice treating both environmental and food allergies using the Protocol, Dr. Mary has been a driving force toward expanding research on sublingual immunotherapy in the U.S. She has:

  • Led protocol development for a number of NIH-funded SLIT studies
  • Collaborated with leading food allergy researchers on the clinical and quality of life impact of sublingual immunotherapy on peanut allergy as well as impact on multi-antigen food treatment
  • Collaborated on a number of clinical studies including the impact of SLIT on reducing:

Her clinical interest lies in the relationship of allergies and asthma in children and adults, including providing a safe, sustainable and affordable treatment path for those suffering from life-threatening food allergy.

Dr. Morris has also lent her expertise to veterinary specialists, developing a protocol to address atopic dermatitis and allergic issues in animals, which is in broad use in the U.S. and internationally today.

Back to Top