On May 13, Keith J. Dreyer, DO, PhD, vice chairman of radiology at Massachusetts General Hospital in Boston, participated on behalf of the American College of Radiology (ACR) in a public hearing hosted by the U.S. Department of Health and Human Services' (HHS) HIT Policy Committee (HITPC) Meaningful Use (MU) Workgroup on "Meaningful Use and Specialists" in Washington, D.C.