Dr Wuellner's Office

Allergy & Asthma Care Center, led by board-certified allergist Dr. Barry Zeffren, has been providing specialized care for allergy and asthma patients in the Metro East area for over 25 years. With offices in Alton, Glen Carbon, Breese, and Greenville, the practice offers a range of services including allergy testing, asthma management, and chronic cough treatment. Patients can expect personalized and comprehensive care from the experienced team at Allergy & Asthma Care Center, who are dedicated to improving the quality of life for those suffering from allergies and asthma. Dr. Zeffren's expertise in immunology and allergy management ensures that patients receive the latest treatments and compassionate support for their respiratory health needs. Generated from the website

Kourtney Chapman, FNP, is a certified family practice nurse practitioner who sees patients of all ages for a variety of injuries, illnesses and conditions. She provides general adult and pediatric wellness exams, well-woman exams, sports physicals, cold and flu treatment, vaccinations and more. She also helps manage chronic conditions such as diabetes, hypertension, heart disease and COPD. This practice is part of BJC Medical Group of Illinois.

Courtney Dulworth, FNP, is a board-certified family medicine nurse practitioner who sees patients 18 years and older. She provides preventative care, including annual wellness exams, vaccinations and well-woman visits. Courtney specializes in managing minor illnesses and injuries, cold and flu symptoms, and chronic conditions, including upper respiratory infections, anxiety, depression, diabetes, heart disease, obesity and urinary tract infections. She also prescribes weight management medications. This practice is a part of BJC Medical Group of Illinois.