Callan Greg Stein

Callan Greg Stein

Pepper Hamilton LLP • Boston, MA
Business LitigationFalse Claims ActHealthcareInsuranceInvestigations

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Contact

Email
Phone
(617) 860-3662
Address
Boston, MA, 02110, US

Professional

About

Callan Greg Stein is a seasoned attorney based in Boston, MA, specializing in business litigation with a robust focus on white collar criminal defense, healthcare litigation, and civil commercial disputes. As a dedicated member of Pepper Hamilton LLP, Callan brings a wealth of experience to his practice, where he skillfully defends both individual and corporate clients against government investigations and prosecutions involving various white collar crimes, including fraud in its many forms—mail, wire, securities, healthcare, and insurance fraud, among others. In the complex realm of healthcare litigation, Callan represents a diverse array of clients, from hospitals and medical practices to home health companies and medical device manufacturers. His in-depth understanding of the legal challenges facing healthcare providers enables him to adeptly navigate civil disputes and criminal investigations, particularly those involving the False Claims Act, Stark Law, and Anti-Kickback Statute. Additionally, Callan excels in civil commercial litigation, where he advocates for both small and large businesses, as well as startups, in a variety of business-related disputes. His commitment to understanding each client's unique needs and challenges allows him to devise tailored strategies that effectively address conflicts with other businesses, employees, and vendors. With a reputation for thoroughness and tenacity, Callan Greg Stein stands out as a formidable advocate in Boston's legal landscape, dedicated to achieving the best possible outcomes for his clients.

Updated: Mar 20, 2026