Renee Lantner, M.D., has been in practice for over 30 years. She attended Northwestern University for both undergraduate and medical education, earning her M.D. in 1984. She completed her residency training at the Indiana University Medical Center followed by a combined adult and pediatric fellowship in Allergy and Immunology at the State University of New York at Buffalo in 1989.
Dr. Lantner spent the first ten years of her career as an attending physician at Loyola University Medical Center and as Associate Professor in the Stritch School of Medicine at Loyola in the Departments of Medicine and Pediatrics. She then chose to pursue a career in private practice and joined Dr. Ganju in 2000, who retired in 2013.
Dr. Lantner has a strong interest in treating asthma, chronic cough, atopic dermatitis (eczema), insect sting allergy, anaphylaxis, urticaria/angioedema (hives and swelling) and recurrent infections. In addition, she is very interested in integrative medicine, drawing from traditional medicine, but also evaluating lifestyle, diet, exercise, supplements, and medications with their interactions and other holistic ways to improve health.
Dr. Lantner served as President for both the Illinois Society of Allergy, Asthma and Immunology and the Suburban Asthma Consortium. She is a Fellow of both the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma, and Immunology. She is also a volunteer with the Citizens Reserve Corps of Western Springs.
Dr. Lantner has published and lectured in the fields of asthma, allergy, and nutrition. She is married and the proud mother of two adult daughters. In her free time, she enjoys gardening, piano, traveling, cooking, yoga, Pilates and Zumba.
Leslie Stiles is a Registered Dietitian and Board Certified Specialist in Pediatric Nutrition. She graduated from the University of Illinois at Chicago with a Master’s degree in Nutrition in 2011. As a student she received additional training through the Illinois Leadership Education in Neurodevelopmental Disabilities Program where she worked with children with autism and special healthcare needs. She also completed a pediatric nutrition fellowship program through Indiana University in 2012.
After graduation, Leslie worked at Ann & Robert H. Lurie Children’s Hospital of Chicago as a clinical dietitian in the Allergy & Immunology Department as well as the Genetics Department. Through her clinical work, Leslie became familiar with the struggle many families face to provide nutritious and balanced meals – especially those affected by food allergies.
She loves the challenge and creativity involved in planning wholesome meals and snacks on restrictive diets. Leslie is passionate about the power of nutrition and the family meal, and she enjoys working with families or individuals in all situations to make better nutrition achievable.
Leslie’s professional expertise and interests include working with children and adults with food allergies and food sensitivities, children who are picky or selective eaters, children and adults with autism or developmental disabilities, children and adults who are underweight or overweight, those who are tube-fed and families who just want to eat better.
When Leslie is not working she enjoys time with her young son and daughter, cooking meals with friends and family, reading, and discovering new music.