Maritsa Ann Flaherty

Maritsa A. Flaherty is a seasoned federal criminal defense attorney with Chapman Law Group’s White Collar Criminal Defense Practice. A former Assistant United States Attorney, Maritsa brings more than 20 years of government-side experience, with a strong focus on health care fraud investigations and prosecutions.

She has successfully tried numerous cases to verdict and is known for her ability to distill complex legal and regulatory issues into compelling, jury-friendly narratives. Her deep knowledge of health care law stems from her work at both the U.S. Attorney’s Office and the Ohio Attorney General’s Medicaid Fraud Control Unit.

Maritsa defends clients in high-stakes criminal and civil health care fraud cases involving home health agencies, skilled nursing facilities, pharmacies, opioid prescribing, and other regulated health services. Her extensive background working alongside federal and state agencies—including the FBI, DEA, HHS-OIG, IRS, and HSI—gives her unique insight into how these investigations unfold.

In addition to her legal practice, Maritsa is a passionate legal educator. She taught Criminal Procedure for over a decade at Columbus State Community College and worked with the National Association of Medicaid Fraud Control Units to train investigators and attorneys nationwide.

Whether defending against federal charges or navigating complex regulatory concerns, Maritsa is committed to delivering strategic, client-centered representation.