Meet the team

We've been providing Healthcare Services to sufferers of allergies, asthma and sinus problems for the better part of thirty years. Over that time, the thing that's kept patients coming back to us is our excellent quality of care—our practitioners are very highly trained and experienced. Read more about their relevant training and experience by clicking on their picture.

Dr.. Maaz Mohiuddin
Providing relief to patients who have struggled with allergic disease is what drives me to be at the forefront of our field. I trained in an environment where we saw the most challenging cases of atopic dermatitis (eczema), asthma, food allergies, and other allergic conditions in patients from all around the world. I was mentored by world renowned allergists, at National Jewish Health, who have written many of the guidelines we follow today. And despite being surrounded by the most advanced diagnostics and minds, I learned that spending time with the patient educating them about their disease…
Read More
Dr.. Syed Rizvi
I was born in Chicago and raised in Central Illinois. My first ambition in life was to become a garbage truck. Realizing that wasn't possible, I turned to his next big interest: allergies. After earning my medical degree from University of Medicine & Health Sciences, I completed pediatric residency at OSF St. Francis Medical Center/Children's Hospital of Illinois in Peoria, IL and then went on to Saint Louis University for my Allergy/Immunology fellowship. Having lived with food and environmental allergies my entire life, I can truly empathize with my patients' day-to-day realities of living…
Read More
Adriana Flores Munoz
Adriana Flores is a graduate of Grand Valley State University. She earned her Bachelor of Science in Health Sciences in 2003 and Masters of Science in Physician Assistant Studies in 2006. She specialized her training in Asthma and Allergy with Dr. Ahmed Mohiuddin as a PA Student and joined our team at Allergy, Asthma and Sinus Centers in 2008. Adriana has a special interest in pediatrics and asthma. Her favorite part of being a physician assistant is educating patients and their parents so they have a better understanding of their disease and can take an active role in the treatment and…
Read More
Brenda Kelley
Brenda Kelley is a graduate of the University of Oklahoma Health Sciences Center. She earned her Bachelor of Science in Microbiology in 2011 and her Master of Health Sciences as a Physician Associate in 2014. Brenda practiced primary care medicine in Oklahoma before moving to Illinois, where she has been practicing urgent care medicine since 2017. She joined the team at Allergy, Asthma, and Sinus Centers in May 2025 and has a special interest in allergy and sinus conditions. Her favorite part of being a Physician Assistant is building relationships with her patients and creating a caring,…
Read More
Dr.. Renee Lantner (Retired)
Dr. Lantner, 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. She has been in private practice since 1999. Dr. Lantner has published and lectured in the fields of asthma,…
Read More