The Firm: Proskauer's outstanding healthcare practice has all-encompassing expertise and depth, and includes reimbursement, fraud and abuse, transactions and financing, and regulatory and compliance work. Clients include AthenaHealth, Ascension Health Care Network and Catholic Health Services of Long Island. In recent highlights, the group represented Richmond University Medical Center in the establishment of a clinical affiliation with Mount Sinai Medical Center, and in the discontinuation of its joint venture in the Heart Institute.

Sources Say: "The practice has an exceptionally deep understanding of healthcare law in New York."

Key Individuals: Edward Kornreich wins tremendous client acclaim, with many describing him as a "very responsive" attorney and "a seasoned practitioner with a top-notch healthcare practice." His recent work includes representing Beth Israel Medical Center in an investigation by the US Attorney for the Southern District of New York.

Richard Zall chairs the firm's healthcare group, and maintains an excellent practice covering a range of regulatory and transactional issues. He is "extremely easy to work with," say sources; "exceptionally bright, very well connected, resourceful and generally a great guy."