Robert C. Louthian is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm's Washington, D.C. office.  He focuses his practice on the representation of exempt organizations on a wide range of tax and related issues, including determinations of exempt status, securing private letter rulings on proposed transaction, and preparing and representing clients who are under audit by the Internal Revenue Service.  He works primarily with hospitals and other institutional providers, private foundations, scientific research organizations, universities and trade associations.  He has worked extensively in the formation of provider networks, integrated delivery systems, conversions of tax-exempt organizations and joint ventures with tax-exempt participants.