Dr. Parkerson graduated from the A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine in 2007. He works in Warsaw, IN and 2 other locations and specializes in Allergy & Immunology. Dr. Parkerson is affiliated with duPont Hospital, Kosciusko Community Hospital, Lutheran Hospital Of Indiana, Parkview Hospital Randallia, St Joseph Hospital and St Vincent