The 20 Best Primary Immunodeficiency (PID) Doctors Near Me in dekalb, IL
Find the Top Primary Immunodeficiency (PID) Experts and Specialists
Robert Bayer is a Hematologist and an Oncologist practicing medicine in Dekalb, Illinois. Dr. Bayer is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Monoclonal Gammopathy of Undetermined Significance (MGUS), Lynch Syndrome, Colorectal Cancer, and Pancreatic Cancer. Dr. Bayer is currently accepting new patients.
Dawn Lei is an Allergy and Immunologist practicing medicine in Sycamore, Illinois. Dr. Lei is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Anaphylaxis, Common Variable Immune Deficiency, Allergic Rhinitis, and Primary Immunodeficiency (PID). Dr. Lei is currently accepting new patients.
Last Updated: 09/26/2026