Midwest Allergy Sinus Respiratory (MASA)
Allergist/Immunologist and Pulmonologist Practice located in Normal, IL & Springfield, IL & satellite offices in Carlinville, Jacksonville, and PeoriaAbout Midwest Allergy Sinus Respiratory (MASA)
Welcome to Midwest Allergy Sinus Respiratory (Midwest Allergy Sinus Asthma SC), an allergist-immunologist and pulmonologist office with locations in Normal and Springfield, Illinois and sattelite offices in Carlinville, Jacksonville, and Peoria. The practice’s goal is to provide patients of all ages from infants to adults with exceptional care through the use of cutting-edge innovations in medicine and advanced medical knowledge. Midwest Allergy Sinus Respiratory is also the regional referral center for complex immunologic and rare disease patients and the only practice with office-based food immunotherapy (SLIT) treatment in Central Illinois.
Midwest Allergy Sinus Respiratory also believes in fair, compassionate, personalized, and respectful health care for people of all ages, gender expressions, and walks of life. To them, nothing matters more than the health of the community.
For your convenience, the practice offers easy appointment scheduling, with flexible and accessible time slots.
The practice offers services such as environmental and food allergy testing, allergy action plans, asthma care, sinusitis treatment, immunology, treatment for hives and contact dermatitis, and more.
For your asthma, sinus, and allergy concerns, there’s no better place to go than Midwest Allergy Sinus Respiratory. To book an appointment or to learn more, call us today. We can’t wait to begin problem-solving with you.
Internal Medicine
Food Allergy
Immunology
Midwest Allergy Sinus Asthma
Food Allergy Center for Treatment
Having a food allergy means that the body has produced an unnatural overreaction in the immune system to a food protein. The allergic response is a very brisk one, and the body can react to even minute quantities of an offending food.
Accepted Insurance
We accept most insurance plans. Please contact us if you have any questions or if your insurance plan is not listed.
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Research Studies Available
2025-2026 Study List Published
Teen Asthma, Child Eczema/Atopic Dermatitis, Chronic Hives, Food Allergy, COPD and more.
Find out if you are qualified to participate in a research study.
Public Health Alert: The “Benadryl Challenge” on Social Media is Killing Children
Public Health Alert: The "Benadryl Challenge" July 3, 2026 Visit Poison Control Page on Benadryl: https://www.poison.org/articles/benadryl-diphenhydramine The "Benadryl Challenge" is a dangerous social media trend, primarily on TikTok, that dares teenagers to ingest...
Dr. Siri’s 5-Minute Interview on Severe Asthma and Treatments (The Valder Beebe Show)
In an interview on The Valder Beebe Show, Dr. Siri discusses the clinical and patient experience aspects of severe asthma. Over two millions Americans of various ages live with severe asthma out of 20-30 million people with asthma. From 0:30 to 3:55, Dr. Siri...
A Drug Affordability Board Would Hurt Illinois Patients: Why Affordability Boards’ Current Approach Could Do More Harm Than Good
In a recent op-ed for the Springfield State Journal-Register "A drug affordability board would hurt Illinois patients", Dr. Dareen D. Siri shares a critical perspective on the proposed Prescription Drug Affordability Boards (PDABs) in Illinois. While the goal of...
New Clinical Insights: Winter Impact on Childhood Eczema and Emerging Treatment Options
In a new article by Managed Healthcare Executive, Board-certified allergist and immunologist Dareen D. Siri, M.D. discusses how winter conditions can worsen atopic dermatitis (eczema) in children and the growing connection between eczema, allergies and asthma, also...
Transforming Care Through Innovation: A Guide to Clinical Research with Dr. Dareen Siri (Podcast)
Listen to Episode 3: Transforming Care Through Innovation: A Guide to Clinical Research with Dr. Dareen Siri, a podcast interview by Sarah Webb from WebbCFO.
MASA Sponsoring Red Sneakers Peoria 5K & Teal Pumpkin Festival
MASA Celebrates Second Year Sponsoring Red Sneakers Peoria 5K & Teal Pumpkin Festival Peoria, IL — Midwest Allergy Sinus Asthma and Respiratory (MASA+R) and our Food Allergy Center for Treatment (MFACT) are proud to announce its continued support as a sponsor of...
OUR LOCATIONS

































