Cathlin E. Sullivan

Cathlin E. Sullivan


Philadelphia, PA

How Cathlin Helps Clients

Cathlin Sullivan focuses her practice on healthcare and corporate compliance matters, as well as data privacy and cybersecurity. Cathlin represents clients in matters including HIPAA/HITECH incident investigation and mitigation, data privacy and regulatory compliance. She assists clients with reviewing, developing and implementing corporate compliance plans and HIPAA programs. Cathlin also advises and assists clients with investigations relating to allegations of wrongdoing or regulatory violations. 

In addition, Cathlin counsels clients with regard to day-to-day healthcare law matters, including risk management, lawsuit prevention, employer liability and early claims investigation, with the goal of improving best practices and mitigating legal exposure.

In 2017, ​Cathlin Sullivan earned the certification of Certified Information Privacy Professional – U.S. Private Sector (CIPP/US) from the International Association of Privacy Professionals.

Cathlin served as in-house counsel for a large healthcare provider. This experience gives her a unique understanding of the operational, legal and other challenges faced by her clients.

Cathlin has presented to audiences of all sizes on legal issues relating to the healthcare industry, including data privacy and cybersecurity, internal investigation best practices, risk management and litigation trends.

Cathlin has been recognized by Pennsylvania Super Lawyers® as a Rising Star in the area of Healthcare, in 2013 and 2015, 2016 and 2017.

What Clients Can Expect

As a former in-house counsel, Cathlin listens to her clients and understands how their legal concerns fit into the bigger picture of their business. Her savvy legal advice takes into account the broad view needed in today’s world and always offers practical and realistic advice that fits their individual business needs. Clients often remark on Cathlin’s calm demeanor and level-headed, straightforward advice.

Proof Points

  • Conducted internal investigations of allegations of misconduct, and advised clients on corrective and preventative measures.
  • Investigated data-security incidents, and direct breach response plans when data has been compromised
  • Advise clients regarding healthcare compliance matters, including crafting compliance plans and programs.
  • Served as in-house compliance and regulatory counsel for a large, nation-wide healthcare provider.