Help us tell the story of Barry Zeffren as a healthcare provider in an unbiased, non-promotional, biographic style article that encompasses both the person and the provider so patients can make an informed decision before consulting with Barry Zeffren.
Barry Zeffren
Childhood
Early education
Medical education / fellowships With a total of 45 years of experience, Barry Zeffren is a male allergy/immunologist in Alton, IL. Allergists/immunologists such as Dr. Barry Zeffren, deal with diseases and disorders of the immune system and immunological responses such as autoimmune diseases, allergic hypersensitivities and allergies.
Classmates
If you really want to connect with Dr.Barry Zeffren, there is no better way to get them excited than to talk about their medical school classmates!