Overview
Gregory (Greg) E. Fosheim provides counsel on a wide array of corporate, transactional and regulatory compliance matters across the healthcare and life sciences industry. Drawing on his extensive laboratory and public health background, he regularly advises on clinical and diagnostic laboratory matters, anatomic pathology and fertility laboratory compliance. Greg represents hospitals, health systems and physician practice management companies in all aspects of transactional and operational matters, particularly those with regulatory, licensing, accreditation and policy considerations. He has also negotiated several acquisitions and sales of proton therapy centers.
During his time as a microbiologist at the Centers for Disease Control and Prevention’s Division of Healthcare Quality Promotion, Greg routinely advised and trained hospital and public health laboratories in various techniques and best practices, including infection control, quality assurance, quality management systems and compliance with the Clinical Laboratory Improvement Amendments. He also addressed many national and international hospital outbreaks. Now, clients turn to him for legal counsel on outbreak response and emergency preparedness, clinical laboratory operations and innovative care delivery modalities.
Greg also writes, speaks and advises on quality, access and patient empowerment in the provision of equitable healthcare services, with a particular focus on helping covered entities comply with the nondiscrimination provisions of Section 1557 of the Affordable Care Act and Section 504 of the Rehabilitation Act of 1973.
Greg works as part of McDermott’s multidisciplinary cannabis industry team to provide clients with regulatory, litigation, intellectual property, trade and tax services concerning their investments and participation in the cannabis sector. He also serves as co-chair of the Firm’s LGBTQ+ Diversity Subcommittee.
Results
- Counseled a health system in navigating a complex, multi-million dollar unwind and settlement arrangement with another health system where it was the sole corporate member.
- Advised a gastroenterology physician practice management platform in its expansion efforts.
- Guided several cancer centers in the acquisition and sale of proton therapy equipment.
- Advised and coordinated nationwide litigation defense of nursing homes and aging serves providers.
- Counseled many clients, including numerous health systems, a Fortune 50 insurance company and a private university, on compliance with Section 1557 nondiscrimination requirements.
- Served as a member of the MWE team to file an amicus brief with the US Supreme Court on behalf of Freedom For All Americans in the mater of Fulton v. Philadelphia.
- Served as the principal researcher and subject matter expert in the molecular epidemiology and strain characterization of methicillin-resistant Staphylococcus aureus.
Recognitions
- Best Lawyers in America, Healthcare Law, 2025
- Legal 500 US, Next Generation Partner in Healthcare: Service Providers, 2024-2025
- Best Lawyers: Ones to Watch in America, Healthcare Law, Chicago, 2021 to 2024
- Legal 500 US, Rising Star, 2021 to 2022
Community
- Law360, Healthcare Editorial Advisory Board, 2025
- American Health Lawyers Association
- Illinois Association of Healthcare Attorneys
- National LGBTQ+ Bar Association Board of Directors
- Lesbian and Gay Bar Association of Chicago
- Howard Brown Health, Board Member, Vernita Gray Council
Credentials
Education
Georgia State University College of Law, JD, magna cum laude, Order of the Coif, 2014
Emory University Rollins School of Public Health, MPH, 2003
Luther College, BA, 2001
Admissions
Georgia (inactive)
Illinois
