The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

McDermott Will & Emery LLP

Work +1 312 372 2000
Fax +1 312 984 7700

John Callahan

Work +1 312 984 7553
McDermott Will & Emery LLP

Work Department

Healthcare (Service Providers)


Partner John Callahan advises clients on mergers and acquisitions (M&A) in the health services and life sciences industries. He represents private equity firms, academic medical centers and health systems, governmental entities and other health care companies in the acquisition and divestiture of businesses and business lines. As deal counsel, John handles high-profile US and international transactions, as well as a variety of change-of-control transactions designed to address the strategic positioning needs of private, governmental and nonprofit entities. He is the head of the Firm's International Health M&A Practice.

For further details of John's biography, please view McDermott website:

United States: Industry focus

Healthcare: service providers

Within: Healthcare: service providers

As ‘easily the best firm to work with in the field’, McDermott Will & Emery LLP’s ‘top-notch group’ has ‘attention to detail and excellent organizational abilities that allows for clear and strong guidance’ making it ‘an unmatched leader across the board’. The department handles the full gamut of healthcare issues encompassing transactions, disputes, regulatory issues, compliance advice and white-collar matters. In a recent highlight, Christopher Jedrey and Charles Buck in Boston advised Steward Health Care on its sale of real estate interests in nine acute care hospitals to Medical Properties Trust. The department also fields Boston-based practice head Stephen Bernstein, who advised Change Healthcare on the data elements of its creation of a healthcare information technology company; Bernadette Broccolo in Chicago, who is a healthcare technology expert; and Chicago-based international healthcare M&A team head John Callahan, who handled Care Capital Properties’ acquisition of six behavioral health hospitals. Clients also praise Kerrin Slattery in Chicago; Miami-based Gary Davis, who specializes in managed care issues; Eric Gordon in Los Angeles, who is ‘a leader for healthcare fraud work’; and the ‘brilliantMichael Peregrine and Jerry Sokol who are based in Chicago and Miami respectively.

[back to top]

Back to index

Legal Developments worldwide

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to