Privacy Policy ©2003-2006 Oak Brook Allergists All Rights Reserved Site by WideSpark	David J. Knysak, M.D. Experience: Practicing medicine since 1982 Fellowship: Allergy, Asthma and Immunology University of Michigan Medical Center, Ann Arbor, Michigan Residency: Internal Medicine Jewish Hospital of St. Louis/Washington University Internship: Internal Medicine, Jewish Hospital of St. Louis/Washington University Medical School: Northwestern University Medical School Board Certifications: American Board of Internal Medicine American Board of Allergy and Immunology Other: Past President, Illinois Society of Allergy, Asthma and Immunology David J. Knysak, M.D. Vivian H. Chou, M.D. Ann C. Collier, M.D. Jyothi I. Tirumalasetty, M.D. Hetal S. Amin, M.D.