Barry F Zeffren MD

Dr. Barry Zeffren, MD treats patients in Alton, Illinois, Glen carbon, Illinois, Highland, Illinois, Birmingham, Alabama, and Litchfield, Illinois, specializing in allergy & immunology.

Dr. Zeffren is licensed to see patients in Missouri and Illinois.

Dr. Zeffren has been found during an automated background check to be clear of any malpractice history and holds one or more active medical...