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Barry Zeffren is an allergist professional located in Glen Carbon, IL. They specialize in allergy & immunology. With over 19 years of experience, they bring deep expertise to every client.
Barry Zeffren holds an active professional license for your protection.
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Barry Zeffren is an allergist practicing in Glen Carbon, Illinois, with 19 years of experience in the field. He holds an MD degree and brings substantial clinical experience to allergy diagnosis and treatment. Patients seeking allergy care in the Glen Carbon area can consult with Dr. Zeffren regarding their symptoms and treatment options.
Barry Zeffren holds an MD (Doctor of Medicine), which indicates he completed medical school and has formal training in diagnosing and treating diseases, including allergies. His background as an allergist means he has specialized knowledge in immune system responses and allergic conditions. With 19 years in practice, he brings extensive clinical experience to patient care. Patients can expect consultation from a physician with medical school training and years of hands-on experience managing allergy-related conditions.