<p>John T. Brennan, Jr. is a partner at Crowell & Moring LLP, and is co-chair of the firm's Health Care Group. His practice primarily focuses on health care fraud and abuse matters, especially relating to federal false claims, anti-kickback, and physician self-referral (Stark Law) issues. He often advises clients on compliance matters, and conducts internal investigations related to potential fraud and abuse issues. He deals frequently with HHS-OIG and the Department of Justice. Mr. Brennan's practice also includes advising clients on reimbursement, transactional, certificate of need, licensure and certification, and other regulatory issues.