As a trial attorney for seventeen years, he has prosecuted doctors, hospitals, and nursing homes for consumer fraud and malpractice. In the process he has represented nurses, doctors, engineers as well as other whistleblowers in the defense, construction, and education industries.
Mr. Kleiman has consulted with the U.S. Department of Health and Human Services, the American Public Health Association, and the American Cancer Society. He has served on an FDA Advisory Panel and on the boards of state licensing agencies and national health care organizations. He has lectured at Columbia University, University of California Los Angeles, at seminars of the National Health Lawyers Association and American Bar Association, and has discussed health care fraud on the McNeil-Lehrer Hour.