Dr. Barry Zeffren, a trusted allergist with over 25 years of experience in the Metro East area, serves patients in multiple locations including Alton, Glen Carbon, Granite City, Litchfield, and Greenville. Specializing in allergy care, Dr. Zeffren provides comprehensive services to help patients manage their allergies effectively.
With a strong presence in the community, Dr. Zeffren's offices offer convenient access to quality allergy treatment for individuals in the Metro East region. Patients can rely on Dr. Zeffren's expertise and dedication to providing personalized care for their allergy needs.
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