Dr. Letz is a board certified family (FNP), adult (ANP), and pediatric nurse practitioner (PNP) and emergency nurse (CEN). He is a graduate of Purdue University (ADN, BSN), The University of St. Francis (MSN), Rush University (DNP), and Keller Graduate School (MBA). Dr. Letz s clinical specialty is in the area of allergy, asthma, & immunology as well as emergency care. He lectures nationally on these clinical topics as well as a variety of non-clinical topics related to NP practice.

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