Dr. Horwitz is currently the Medical Director of the Arizona Center for Integrative Medicine.
He received a B.S. degree in biochemistry from the University of Illinois, and a PhD in Immunology and Molecular Biology from the University of Florida, where he cloned and examined the regulation of expression of the gene coding for terminal deoxynucleotidyl transferase (TdT).
He received his MD from the University of Illinois, and completed his residency in Internal Medicine at University Hospitals (Case Western Reserve University) in Cleveland. He then completed a brief post-doctoral fellowship at the National Institutes of Health studying rheumatologic disorders, followed by a three-year fellowship in Allergy and Clinical Immunology at the University of Wisconsin at Madison, where he participated in numerous clinical trials in asthma. He later became a Clinical Assistant Professor in the Department of Medicine at the University of Wisconsin, and the VA Medical Center, in Madison. Dr. Horwitz also completed a two-year fellowship in Integrative Medicine at the University of Arizona in Tucson, with a focus on mind-body approaches to illness.
Randy has a special interest in complementary and alternative therapies in asthma and allergic diseases. He provides integrative medical consultations to people with a wide variety of medical concerns, including allergic diseases and asthma, but also immunologic and rheumatologic disorders, heart disease, and cancer. He is board-certified in both Internal Medicine and Allergy & Clinical Immunology.His most recent book, Integrative Rheumatology (co-edited with Dan Muller, MD), was published in 2011 (Oxford University Press; ISBN:0195311213)