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Wednesday, May 6, 2026

Preti Flaherty hires attorney named a top 'whistleblower lawyer' by ... - Mainebiz

Preti Flaherty has hired an attorney that was recognized as one of Washington’s "Best Whistleblower Lawyers" by the Washingtonian magazine.

Timothy McCormack has joined the firm’s litigation practice group, working in the Portland office. He held clerkships with judges David Brock Hornby of the U.S. District Court for the District of Maine and Fred I. Parker of the U.S. Second Circuit Court of Appeals and is also an accomplished mediator.

“Tim’s nearly two-decade-long record of success distinguishes him as a powerhouse,” said David Van Slyke, the firm's managing partner. “His skill and dedication exemplify the type of results-driven litigator we look for as we continue to identify ways to evolve and expand service to our clients.”

The clients McCormack has counseled through “qui tam” whistleblower actions have resulted in hundreds of millions of dollars recovered for the federal government and various states nationwide. A qui tam lawsuit is brought by a whistleblower to enforce the federal False Claims Act or analogous state statutes.

The Yarmouth resident is a frequent author and speaker on health care reimbursement and coding issues, provider contracting, and commercial and government-managed care programs. He identifies fraud in the Medicare Managed Care and Medicare Advantage program involving upcoding patient diagnoses in the risk adjustment/risk scoring program.

McCormack graduated from the University of Maine School of Law and Harvard University. He was...



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