Dr. John A. Schaffner
About Dr. John A. Schaffner SPECIALTY / SUBSPECIALTIES: Gastroenterology / General GastroenterologySUBSPECIALTIES : General GastroenterologyAFFILIATED HOSPITALS : Mayo ClinicYEARS OF EXPERIENCE : 21+GENDER : Male Education & Experience Medical School & ResidencyUniversity of Michigan Hospitals and Health Centers Fellowship , …